Home / 154,442.10-231,663.15-123,338.10

Finding the Fourth Proportional to 154,442.10, 231,663.15 and 123,338.10

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Solution

The fourth proportional to 154,442.10, 231,663.15 and 123,338.10 is: 185,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,442.10 : 231,663.15 = 123,338.10 : x
  2. Step 2: Convert to fraction form
    154,442.10/231,663.15 = 123,338.10/x
  3. Step 3: Cross multiply
    154,442.10x = 231,663.15 × 123,338.10
  4. Step 4: Simplify right side
    154,442.10x = 28,572,892,761.02
  5. Step 5: Solve for x
    x = 28,572,892,761.02/154,442.10
  6. Step 6: Final answer
    x = 185,007.15

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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.