Home / 132,402.20-182,714.70-71,972.84

Finding the Fourth Proportional to 132,402.20, 182,714.70 and 71,972.84

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Solution

The fourth proportional to 132,402.20, 182,714.70 and 71,972.84 is: 99,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,402.20 : 182,714.70 = 71,972.84 : x
  2. Step 2: Convert to fraction form
    132,402.20/182,714.70 = 71,972.84/x
  3. Step 3: Cross multiply
    132,402.20x = 182,714.70 × 71,972.84
  4. Step 4: Simplify right side
    132,402.20x = 13,150,495,868.75
  5. Step 5: Solve for x
    x = 13,150,495,868.75/132,402.20
  6. Step 6: Final answer
    x = 99,322.34

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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.