Home / 107,452.80-161,179.20-102,902.40

Finding the Fourth Proportional to 107,452.80, 161,179.20 and 102,902.40

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Solution

The fourth proportional to 107,452.80, 161,179.20 and 102,902.40 is: 154,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,452.80 : 161,179.20 = 102,902.40 : x
  2. Step 2: Convert to fraction form
    107,452.80/161,179.20 = 102,902.40/x
  3. Step 3: Cross multiply
    107,452.80x = 161,179.20 × 102,902.40
  4. Step 4: Simplify right side
    107,452.80x = 16,585,726,510.08
  5. Step 5: Solve for x
    x = 16,585,726,510.08/107,452.80
  6. Step 6: Final answer
    x = 154,353.60

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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.