Home / 591,390.81-887,086.12-142,111.68

Finding the Fourth Proportional to 591,390.81, 887,086.12 and 142,111.68

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Solution

The fourth proportional to 591,390.81, 887,086.12 and 142,111.68 is: 213,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,390.81 : 887,086.12 = 142,111.68 : x
  2. Step 2: Convert to fraction form
    591,390.81/887,086.12 = 142,111.68/x
  3. Step 3: Cross multiply
    591,390.81x = 887,086.12 × 142,111.68
  4. Step 4: Simplify right side
    591,390.81x = 126,065,296,244.89
  5. Step 5: Solve for x
    x = 126,065,296,244.89/591,390.81
  6. Step 6: Final answer
    x = 213,167.49

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.