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Finding the Fourth Proportional to 127,614.70, 191,494.95 and 88,200.10

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Solution

The fourth proportional to 127,614.70, 191,494.95 and 88,200.10 is: 132,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,614.70 : 191,494.95 = 88,200.10 : x
  2. Step 2: Convert to fraction form
    127,614.70/191,494.95 = 88,200.10/x
  3. Step 3: Cross multiply
    127,614.70x = 191,494.95 × 88,200.10
  4. Step 4: Simplify right side
    127,614.70x = 16,889,873,739.50
  5. Step 5: Solve for x
    x = 16,889,873,739.50/127,614.70
  6. Step 6: Final answer
    x = 132,350.53

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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.