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Finding the Fourth Proportional to 93,337.40, 139,949.80 and 37,186.18

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Solution

The fourth proportional to 93,337.40, 139,949.80 and 37,186.18 is: 55,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337.40 : 139,949.80 = 37,186.18 : x
  2. Step 2: Convert to fraction form
    93,337.40/139,949.80 = 37,186.18/x
  3. Step 3: Cross multiply
    93,337.40x = 139,949.80 × 37,186.18
  4. Step 4: Simplify right side
    93,337.40x = 5,204,198,010.92
  5. Step 5: Solve for x
    x = 5,204,198,010.92/93,337.40
  6. Step 6: Final answer
    x = 55,756.83

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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.