Home / 94,672.13-142,110.54-84,209.15

Finding the Fourth Proportional to 94,672.13, 142,110.54 and 84,209.15

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Solution

The fourth proportional to 94,672.13, 142,110.54 and 84,209.15 is: 126,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.13 : 142,110.54 = 84,209.15 : x
  2. Step 2: Convert to fraction form
    94,672.13/142,110.54 = 84,209.15/x
  3. Step 3: Cross multiply
    94,672.13x = 142,110.54 × 84,209.15
  4. Step 4: Simplify right side
    94,672.13x = 11,967,007,068.89
  5. Step 5: Solve for x
    x = 11,967,007,068.89/94,672.13
  6. Step 6: Final answer
    x = 126,404.76

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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.