Home / 132,565.68-182,936.96-72,134.92

Finding the Fourth Proportional to 132,565.68, 182,936.96 and 72,134.92

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Solution

The fourth proportional to 132,565.68, 182,936.96 and 72,134.92 is: 99,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.68 : 182,936.96 = 72,134.92 : x
  2. Step 2: Convert to fraction form
    132,565.68/182,936.96 = 72,134.92/x
  3. Step 3: Cross multiply
    132,565.68x = 182,936.96 × 72,134.92
  4. Step 4: Simplify right side
    132,565.68x = 13,196,143,113.15
  5. Step 5: Solve for x
    x = 13,196,143,113.15/132,565.68
  6. Step 6: Final answer
    x = 99,544.19

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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.