Home / 91,350.42-126,060.50-64,165.86

Finding the Fourth Proportional to 91,350.42, 126,060.50 and 64,165.86

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Solution

The fourth proportional to 91,350.42, 126,060.50 and 64,165.86 is: 88,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,350.42 : 126,060.50 = 64,165.86 : x
  2. Step 2: Convert to fraction form
    91,350.42/126,060.50 = 64,165.86/x
  3. Step 3: Cross multiply
    91,350.42x = 126,060.50 × 64,165.86
  4. Step 4: Simplify right side
    91,350.42x = 8,088,780,377.67
  5. Step 5: Solve for x
    x = 8,088,780,377.67/91,350.42
  6. Step 6: Final answer
    x = 88,546.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.