Home / 173,305.52-239,177.60-105,306.72

Finding the Fourth Proportional to 173,305.52, 239,177.60 and 105,306.72

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Solution

The fourth proportional to 173,305.52, 239,177.60 and 105,306.72 is: 145,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,305.52 : 239,177.60 = 105,306.72 : x
  2. Step 2: Convert to fraction form
    173,305.52/239,177.60 = 105,306.72/x
  3. Step 3: Cross multiply
    173,305.52x = 239,177.60 × 105,306.72
  4. Step 4: Simplify right side
    173,305.52x = 25,187,008,553.47
  5. Step 5: Solve for x
    x = 25,187,008,553.47/173,305.52
  6. Step 6: Final answer
    x = 145,332.99

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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.