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Finding the Fourth Proportional to 132,230.80, 198,459.60 and 53,401.60

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Solution

The fourth proportional to 132,230.80, 198,459.60 and 53,401.60 is: 80,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,230.80 : 198,459.60 = 53,401.60 : x
  2. Step 2: Convert to fraction form
    132,230.80/198,459.60 = 53,401.60/x
  3. Step 3: Cross multiply
    132,230.80x = 198,459.60 × 53,401.60
  4. Step 4: Simplify right side
    132,230.80x = 10,598,060,175.36
  5. Step 5: Solve for x
    x = 10,598,060,175.36/132,230.80
  6. Step 6: Final answer
    x = 80,148.20

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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.