Home / 154,519.87-231,877.31-65,773.23

Finding the Fourth Proportional to 154,519.87, 231,877.31 and 65,773.23

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Solution

The fourth proportional to 154,519.87, 231,877.31 and 65,773.23 is: 98,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.87 : 231,877.31 = 65,773.23 : x
  2. Step 2: Convert to fraction form
    154,519.87/231,877.31 = 65,773.23/x
  3. Step 3: Cross multiply
    154,519.87x = 231,877.31 × 65,773.23
  4. Step 4: Simplify right side
    154,519.87x = 15,251,319,313.55
  5. Step 5: Solve for x
    x = 15,251,319,313.55/154,519.87
  6. Step 6: Final answer
    x = 98,701.35

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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.