Home / 126,319.50-174,320.91-69,731.28

Finding the Fourth Proportional to 126,319.50, 174,320.91 and 69,731.28

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Solution

The fourth proportional to 126,319.50, 174,320.91 and 69,731.28 is: 96,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.50 : 174,320.91 = 69,731.28 : x
  2. Step 2: Convert to fraction form
    126,319.50/174,320.91 = 69,731.28/x
  3. Step 3: Cross multiply
    126,319.50x = 174,320.91 × 69,731.28
  4. Step 4: Simplify right side
    126,319.50x = 12,155,620,185.06
  5. Step 5: Solve for x
    x = 12,155,620,185.06/126,319.50
  6. Step 6: Final answer
    x = 96,229.17

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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.