Home / 132,543.68-182,912.15-72,114.36

Finding the Fourth Proportional to 132,543.68, 182,912.15 and 72,114.36

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Solution

The fourth proportional to 132,543.68, 182,912.15 and 72,114.36 is: 99,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543.68 : 182,912.15 = 72,114.36 : x
  2. Step 2: Convert to fraction form
    132,543.68/182,912.15 = 72,114.36/x
  3. Step 3: Cross multiply
    132,543.68x = 182,912.15 × 72,114.36
  4. Step 4: Simplify right side
    132,543.68x = 13,190,591,358.34
  5. Step 5: Solve for x
    x = 13,190,591,358.34/132,543.68
  6. Step 6: Final answer
    x = 99,518.83

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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.