Home / 132,218.30-182,460.22-71,787.74

Finding the Fourth Proportional to 132,218.30, 182,460.22 and 71,787.74

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Solution

The fourth proportional to 132,218.30, 182,460.22 and 71,787.74 is: 99,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.30 : 182,460.22 = 71,787.74 : x
  2. Step 2: Convert to fraction form
    132,218.30/182,460.22 = 71,787.74/x
  3. Step 3: Cross multiply
    132,218.30x = 182,460.22 × 71,787.74
  4. Step 4: Simplify right side
    132,218.30x = 13,098,405,741.93
  5. Step 5: Solve for x
    x = 13,098,405,741.93/132,218.30
  6. Step 6: Final answer
    x = 99,066.51

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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.