Home / 178,714.91-268,165.94-72,125.39

Finding the Fourth Proportional to 178,714.91, 268,165.94 and 72,125.39

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Solution

The fourth proportional to 178,714.91, 268,165.94 and 72,125.39 is: 108,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,714.91 : 268,165.94 = 72,125.39 : x
  2. Step 2: Convert to fraction form
    178,714.91/268,165.94 = 72,125.39/x
  3. Step 3: Cross multiply
    178,714.91x = 268,165.94 × 72,125.39
  4. Step 4: Simplify right side
    178,714.91x = 19,341,572,214.28
  5. Step 5: Solve for x
    x = 19,341,572,214.28/178,714.91
  6. Step 6: Final answer
    x = 108,225.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.