Home / 154,447.20-231,670.80-148,542.30

Finding the Fourth Proportional to 154,447.20, 231,670.80 and 148,542.30

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Solution

The fourth proportional to 154,447.20, 231,670.80 and 148,542.30 is: 222,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,447.20 : 231,670.80 = 148,542.30 : x
  2. Step 2: Convert to fraction form
    154,447.20/231,670.80 = 148,542.30/x
  3. Step 3: Cross multiply
    154,447.20x = 231,670.80 × 148,542.30
  4. Step 4: Simplify right side
    154,447.20x = 34,412,913,474.84
  5. Step 5: Solve for x
    x = 34,412,913,474.84/154,447.20
  6. Step 6: Final answer
    x = 222,813.45

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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.