Home / 137,186.60-205,608.34-66,095.90

Finding the Fourth Proportional to 137,186.60, 205,608.34 and 66,095.90

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Solution

The fourth proportional to 137,186.60, 205,608.34 and 66,095.90 is: 99,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,186.60 : 205,608.34 = 66,095.90 : x
  2. Step 2: Convert to fraction form
    137,186.60/205,608.34 = 66,095.90/x
  3. Step 3: Cross multiply
    137,186.60x = 205,608.34 × 66,095.90
  4. Step 4: Simplify right side
    137,186.60x = 13,589,868,105.42
  5. Step 5: Solve for x
    x = 13,589,868,105.42/137,186.60
  6. Step 6: Final answer
    x = 99,061.20

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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.