Home / 154,527.31-231,754.60-42,180.82

Finding the Fourth Proportional to 154,527.31, 231,754.60 and 42,180.82

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Solution

The fourth proportional to 154,527.31, 231,754.60 and 42,180.82 is: 63,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,527.31 : 231,754.60 = 42,180.82 : x
  2. Step 2: Convert to fraction form
    154,527.31/231,754.60 = 42,180.82/x
  3. Step 3: Cross multiply
    154,527.31x = 231,754.60 × 42,180.82
  4. Step 4: Simplify right side
    154,527.31x = 9,775,598,540.11
  5. Step 5: Solve for x
    x = 9,775,598,540.11/154,527.31
  6. Step 6: Final answer
    x = 63,261.30

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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.