Home / 132,572.35-182,952.05-72,145.54

Finding the Fourth Proportional to 132,572.35, 182,952.05 and 72,145.54

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Solution

The fourth proportional to 132,572.35, 182,952.05 and 72,145.54 is: 99,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,572.35 : 182,952.05 = 72,145.54 : x
  2. Step 2: Convert to fraction form
    132,572.35/182,952.05 = 72,145.54/x
  3. Step 3: Cross multiply
    132,572.35x = 182,952.05 × 72,145.54
  4. Step 4: Simplify right side
    132,572.35x = 13,199,174,080.63
  5. Step 5: Solve for x
    x = 13,199,174,080.63/132,572.35
  6. Step 6: Final answer
    x = 99,562.04

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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.