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Finding the Fourth Proportional to 92,958.32, 139,446.69 and 29,762.54

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Solution

The fourth proportional to 92,958.32, 139,446.69 and 29,762.54 is: 44,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958.32 : 139,446.69 = 29,762.54 : x
  2. Step 2: Convert to fraction form
    92,958.32/139,446.69 = 29,762.54/x
  3. Step 3: Cross multiply
    92,958.32x = 139,446.69 × 29,762.54
  4. Step 4: Simplify right side
    92,958.32x = 4,150,287,688.99
  5. Step 5: Solve for x
    x = 4,150,287,688.99/92,958.32
  6. Step 6: Final answer
    x = 44,646.76

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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.