Home / 173,871.20-239,999.28-102,247.76

Finding the Fourth Proportional to 173,871.20, 239,999.28 and 102,247.76

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Solution

The fourth proportional to 173,871.20, 239,999.28 and 102,247.76 is: 141,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.20 : 239,999.28 = 102,247.76 : x
  2. Step 2: Convert to fraction form
    173,871.20/239,999.28 = 102,247.76/x
  3. Step 3: Cross multiply
    173,871.20x = 239,999.28 × 102,247.76
  4. Step 4: Simplify right side
    173,871.20x = 24,539,388,781.61
  5. Step 5: Solve for x
    x = 24,539,388,781.61/173,871.20
  6. Step 6: Final answer
    x = 141,135.44

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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.