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Finding the Fourth Proportional to 132,502.05, 198,753.08 and 80,014.05

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Solution

The fourth proportional to 132,502.05, 198,753.08 and 80,014.05 is: 120,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,502.05 : 198,753.08 = 80,014.05 : x
  2. Step 2: Convert to fraction form
    132,502.05/198,753.08 = 80,014.05/x
  3. Step 3: Cross multiply
    132,502.05x = 198,753.08 × 80,014.05
  4. Step 4: Simplify right side
    132,502.05x = 15,903,038,480.70
  5. Step 5: Solve for x
    x = 15,903,038,480.70/132,502.05
  6. Step 6: Final answer
    x = 120,021.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.