Home / 124,724.40-172,168.92-76,997.04

Finding the Fourth Proportional to 124,724.40, 172,168.92 and 76,997.04

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Solution

The fourth proportional to 124,724.40, 172,168.92 and 76,997.04 is: 106,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724.40 : 172,168.92 = 76,997.04 : x
  2. Step 2: Convert to fraction form
    124,724.40/172,168.92 = 76,997.04/x
  3. Step 3: Cross multiply
    124,724.40x = 172,168.92 × 76,997.04
  4. Step 4: Simplify right side
    124,724.40x = 13,256,497,220.00
  5. Step 5: Solve for x
    x = 13,256,497,220.00/124,724.40
  6. Step 6: Final answer
    x = 106,286.32

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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.