Home / 129,733.76-194,599.49-40,987.27

Finding the Fourth Proportional to 129,733.76, 194,599.49 and 40,987.27

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Solution

The fourth proportional to 129,733.76, 194,599.49 and 40,987.27 is: 61,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,733.76 : 194,599.49 = 40,987.27 : x
  2. Step 2: Convert to fraction form
    129,733.76/194,599.49 = 40,987.27/x
  3. Step 3: Cross multiply
    129,733.76x = 194,599.49 × 40,987.27
  4. Step 4: Simplify right side
    129,733.76x = 7,976,100,897.46
  5. Step 5: Solve for x
    x = 7,976,100,897.46/129,733.76
  6. Step 6: Final answer
    x = 61,480.53

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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.