Home / 132,022.38-182,202.40-72,417.90

Finding the Fourth Proportional to 132,022.38, 182,202.40 and 72,417.90

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Solution

The fourth proportional to 132,022.38, 182,202.40 and 72,417.90 is: 99,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,022.38 : 182,202.40 = 72,417.90 : x
  2. Step 2: Convert to fraction form
    132,022.38/182,202.40 = 72,417.90/x
  3. Step 3: Cross multiply
    132,022.38x = 182,202.40 × 72,417.90
  4. Step 4: Simplify right side
    132,022.38x = 13,194,715,182.96
  5. Step 5: Solve for x
    x = 13,194,715,182.96/132,022.38
  6. Step 6: Final answer
    x = 99,943.02

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1.5x scale

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.