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Finding the Fourth Proportional to 92,765.55, 139,148.66 and 22,644.86

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Solution

The fourth proportional to 92,765.55, 139,148.66 and 22,644.86 is: 33,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,765.55 : 139,148.66 = 22,644.86 : x
  2. Step 2: Convert to fraction form
    92,765.55/139,148.66 = 22,644.86/x
  3. Step 3: Cross multiply
    92,765.55x = 139,148.66 × 22,644.86
  4. Step 4: Simplify right side
    92,765.55x = 3,151,001,115.92
  5. Step 5: Solve for x
    x = 3,151,001,115.92/92,765.55
  6. Step 6: Final answer
    x = 33,967.36

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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.