Home / 132,739.92-199,139.01-97,572.96

Finding the Fourth Proportional to 132,739.92, 199,139.01 and 97,572.96

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Solution

The fourth proportional to 132,739.92, 199,139.01 and 97,572.96 is: 146,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.92 : 199,139.01 = 97,572.96 : x
  2. Step 2: Convert to fraction form
    132,739.92/199,139.01 = 97,572.96/x
  3. Step 3: Cross multiply
    132,739.92x = 199,139.01 × 97,572.96
  4. Step 4: Simplify right side
    132,739.92x = 19,430,581,661.47
  5. Step 5: Solve for x
    x = 19,430,581,661.47/132,739.92
  6. Step 6: Final answer
    x = 146,380.85

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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.