Home / 123,724.97-170,740.61-70,008.91

Finding the Fourth Proportional to 123,724.97, 170,740.61 and 70,008.91

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Solution

The fourth proportional to 123,724.97, 170,740.61 and 70,008.91 is: 96,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.97 : 170,740.61 = 70,008.91 : x
  2. Step 2: Convert to fraction form
    123,724.97/170,740.61 = 70,008.91/x
  3. Step 3: Cross multiply
    123,724.97x = 170,740.61 × 70,008.91
  4. Step 4: Simplify right side
    123,724.97x = 11,953,363,484.47
  5. Step 5: Solve for x
    x = 11,953,363,484.47/123,724.97
  6. Step 6: Final answer
    x = 96,612.38

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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.