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Finding the Fourth Proportional to 154,807.64, 232,211.44 and 123,839.72

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Solution

The fourth proportional to 154,807.64, 232,211.44 and 123,839.72 is: 185,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,807.64 : 232,211.44 = 123,839.72 : x
  2. Step 2: Convert to fraction form
    154,807.64/232,211.44 = 123,839.72/x
  3. Step 3: Cross multiply
    154,807.64x = 232,211.44 × 123,839.72
  4. Step 4: Simplify right side
    154,807.64x = 28,756,999,710.40
  5. Step 5: Solve for x
    x = 28,756,999,710.40/154,807.64
  6. Step 6: Final answer
    x = 185,759.56

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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.