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Finding the Fourth Proportional to 149,374.65, 206,127.41 and 88,949.73

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Solution

The fourth proportional to 149,374.65, 206,127.41 and 88,949.73 is: 122,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,374.65 : 206,127.41 = 88,949.73 : x
  2. Step 2: Convert to fraction form
    149,374.65/206,127.41 = 88,949.73/x
  3. Step 3: Cross multiply
    149,374.65x = 206,127.41 × 88,949.73
  4. Step 4: Simplify right side
    149,374.65x = 18,334,977,020.35
  5. Step 5: Solve for x
    x = 18,334,977,020.35/149,374.65
  6. Step 6: Final answer
    x = 122,744.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.