Home / 154,115.56-231,177.66-75,292.84

Finding the Fourth Proportional to 154,115.56, 231,177.66 and 75,292.84

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Solution

The fourth proportional to 154,115.56, 231,177.66 and 75,292.84 is: 112,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,115.56 : 231,177.66 = 75,292.84 : x
  2. Step 2: Convert to fraction form
    154,115.56/231,177.66 = 75,292.84/x
  3. Step 3: Cross multiply
    154,115.56x = 231,177.66 × 75,292.84
  4. Step 4: Simplify right side
    154,115.56x = 17,406,022,565.95
  5. Step 5: Solve for x
    x = 17,406,022,565.95/154,115.56
  6. Step 6: Final answer
    x = 112,941.37

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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.