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Finding the Fourth Proportional to 178,773.75, 268,160.63 and 66,482.24

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Solution

The fourth proportional to 178,773.75, 268,160.63 and 66,482.24 is: 99,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,773.75 : 268,160.63 = 66,482.24 : x
  2. Step 2: Convert to fraction form
    178,773.75/268,160.63 = 66,482.24/x
  3. Step 3: Cross multiply
    178,773.75x = 268,160.63 × 66,482.24
  4. Step 4: Simplify right side
    178,773.75x = 17,827,917,689.00
  5. Step 5: Solve for x
    x = 17,827,917,689.00/178,773.75
  6. Step 6: Final answer
    x = 99,723.35

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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.