Home / 126,164.40-189,242.48-51,262.40

Finding the Fourth Proportional to 126,164.40, 189,242.48 and 51,262.40

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Solution

The fourth proportional to 126,164.40, 189,242.48 and 51,262.40 is: 76,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,164.40 : 189,242.48 = 51,262.40 : x
  2. Step 2: Convert to fraction form
    126,164.40/189,242.48 = 51,262.40/x
  3. Step 3: Cross multiply
    126,164.40x = 189,242.48 × 51,262.40
  4. Step 4: Simplify right side
    126,164.40x = 9,701,023,706.75
  5. Step 5: Solve for x
    x = 9,701,023,706.75/126,164.40
  6. Step 6: Final answer
    x = 76,891.93

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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.