Home / 126,316.71-189,310.52-51,349.28

Finding the Fourth Proportional to 126,316.71, 189,310.52 and 51,349.28

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Solution

The fourth proportional to 126,316.71, 189,310.52 and 51,349.28 is: 76,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.71 : 189,310.52 = 51,349.28 : x
  2. Step 2: Convert to fraction form
    126,316.71/189,310.52 = 51,349.28/x
  3. Step 3: Cross multiply
    126,316.71x = 189,310.52 × 51,349.28
  4. Step 4: Simplify right side
    126,316.71x = 9,720,959,500.08
  5. Step 5: Solve for x
    x = 9,720,959,500.08/126,316.71
  6. Step 6: Final answer
    x = 76,957.04

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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.