Home / 138,364.40-207,733.26-88,541.84

Finding the Fourth Proportional to 138,364.40, 207,733.26 and 88,541.84

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Solution

The fourth proportional to 138,364.40, 207,733.26 and 88,541.84 is: 132,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,364.40 : 207,733.26 = 88,541.84 : x
  2. Step 2: Convert to fraction form
    138,364.40/207,733.26 = 88,541.84/x
  3. Step 3: Cross multiply
    138,364.40x = 207,733.26 × 88,541.84
  4. Step 4: Simplify right side
    138,364.40x = 18,393,085,069.60
  5. Step 5: Solve for x
    x = 18,393,085,069.60/138,364.40
  6. Step 6: Final answer
    x = 132,932.21

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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.