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Finding the Fourth Proportional to 93,262.91, 139,853.21 and 26,687.88

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Solution

The fourth proportional to 93,262.91, 139,853.21 and 26,687.88 is: 40,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,262.91 : 139,853.21 = 26,687.88 : x
  2. Step 2: Convert to fraction form
    93,262.91/139,853.21 = 26,687.88/x
  3. Step 3: Cross multiply
    93,262.91x = 139,853.21 × 26,687.88
  4. Step 4: Simplify right side
    93,262.91x = 3,732,385,552.66
  5. Step 5: Solve for x
    x = 3,732,385,552.66/93,262.91
  6. Step 6: Final answer
    x = 40,020.04

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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.