Home / 149,741.56-206,618.98-88,479.23

Finding the Fourth Proportional to 149,741.56, 206,618.98 and 88,479.23

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Solution

The fourth proportional to 149,741.56, 206,618.98 and 88,479.23 is: 122,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,741.56 : 206,618.98 = 88,479.23 : x
  2. Step 2: Convert to fraction form
    149,741.56/206,618.98 = 88,479.23/x
  3. Step 3: Cross multiply
    149,741.56x = 206,618.98 × 88,479.23
  4. Step 4: Simplify right side
    149,741.56x = 18,281,486,778.29
  5. Step 5: Solve for x
    x = 18,281,486,778.29/149,741.56
  6. Step 6: Final answer
    x = 122,086.93

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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.