Home / 243,845.78-365,731.70-66,366.62

Finding the Fourth Proportional to 243,845.78, 365,731.70 and 66,366.62

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Solution

The fourth proportional to 243,845.78, 365,731.70 and 66,366.62 is: 99,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.78 : 365,731.70 = 66,366.62 : x
  2. Step 2: Convert to fraction form
    243,845.78/365,731.70 = 66,366.62/x
  3. Step 3: Cross multiply
    243,845.78x = 365,731.70 × 66,366.62
  4. Step 4: Simplify right side
    243,845.78x = 24,272,374,927.20
  5. Step 5: Solve for x
    x = 24,272,374,927.20/243,845.78
  6. Step 6: Final answer
    x = 99,539.86

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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.