Home / 132,219.48-182,463.18-71,790.12

Finding the Fourth Proportional to 132,219.48, 182,463.18 and 71,790.12

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Solution

The fourth proportional to 132,219.48, 182,463.18 and 71,790.12 is: 99,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.48 : 182,463.18 = 71,790.12 : x
  2. Step 2: Convert to fraction form
    132,219.48/182,463.18 = 71,790.12/x
  3. Step 3: Cross multiply
    132,219.48x = 182,463.18 × 71,790.12
  4. Step 4: Simplify right side
    132,219.48x = 13,099,053,587.78
  5. Step 5: Solve for x
    x = 13,099,053,587.78/132,219.48
  6. Step 6: Final answer
    x = 99,070.53

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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.