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Finding the Fourth Proportional to 92,892.48, 139,338.08 and 37,487.68

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Solution

The fourth proportional to 92,892.48, 139,338.08 and 37,487.68 is: 56,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.48 : 139,338.08 = 37,487.68 : x
  2. Step 2: Convert to fraction form
    92,892.48/139,338.08 = 37,487.68/x
  3. Step 3: Cross multiply
    92,892.48x = 139,338.08 × 37,487.68
  4. Step 4: Simplify right side
    92,892.48x = 5,223,461,354.85
  5. Step 5: Solve for x
    x = 5,223,461,354.85/92,892.48
  6. Step 6: Final answer
    x = 56,231.26

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1.5x scale

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.