Home / 173,728.92-239,895.54-109,305.57

Finding the Fourth Proportional to 173,728.92, 239,895.54 and 109,305.57

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Solution

The fourth proportional to 173,728.92, 239,895.54 and 109,305.57 is: 150,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728.92 : 239,895.54 = 109,305.57 : x
  2. Step 2: Convert to fraction form
    173,728.92/239,895.54 = 109,305.57/x
  3. Step 3: Cross multiply
    173,728.92x = 239,895.54 × 109,305.57
  4. Step 4: Simplify right side
    173,728.92x = 26,221,918,740.16
  5. Step 5: Solve for x
    x = 26,221,918,740.16/173,728.92
  6. Step 6: Final answer
    x = 150,935.83

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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.