Home / 132,403.04-182,719.68-71,977.76

Finding the Fourth Proportional to 132,403.04, 182,719.68 and 71,977.76

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Solution

The fourth proportional to 132,403.04, 182,719.68 and 71,977.76 is: 99,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,403.04 : 182,719.68 = 71,977.76 : x
  2. Step 2: Convert to fraction form
    132,403.04/182,719.68 = 71,977.76/x
  3. Step 3: Cross multiply
    132,403.04x = 182,719.68 × 71,977.76
  4. Step 4: Simplify right side
    132,403.04x = 13,151,753,274.32
  5. Step 5: Solve for x
    x = 13,151,753,274.32/132,403.04
  6. Step 6: Final answer
    x = 99,331.20

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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.