Home / 126,007.70-173,891.13-69,419.30

Finding the Fourth Proportional to 126,007.70, 173,891.13 and 69,419.30

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Solution

The fourth proportional to 126,007.70, 173,891.13 and 69,419.30 is: 95,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.70 : 173,891.13 = 69,419.30 : x
  2. Step 2: Convert to fraction form
    126,007.70/173,891.13 = 69,419.30/x
  3. Step 3: Cross multiply
    126,007.70x = 173,891.13 × 69,419.30
  4. Step 4: Simplify right side
    126,007.70x = 12,071,400,520.81
  5. Step 5: Solve for x
    x = 12,071,400,520.81/126,007.70
  6. Step 6: Final answer
    x = 95,798.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.