Home / 154,442.40-231,404.40-132,151.20

Finding the Fourth Proportional to 154,442.40, 231,404.40 and 132,151.20

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Solution

The fourth proportional to 154,442.40, 231,404.40 and 132,151.20 is: 198,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,442.40 : 231,404.40 = 132,151.20 : x
  2. Step 2: Convert to fraction form
    154,442.40/231,404.40 = 132,151.20/x
  3. Step 3: Cross multiply
    154,442.40x = 231,404.40 × 132,151.20
  4. Step 4: Simplify right side
    154,442.40x = 30,580,369,145.28
  5. Step 5: Solve for x
    x = 30,580,369,145.28/154,442.40
  6. Step 6: Final answer
    x = 198,005.01

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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.