Home / 109,414.26-150,987.29-61,677.50

Finding the Fourth Proportional to 109,414.26, 150,987.29 and 61,677.50

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Solution

The fourth proportional to 109,414.26, 150,987.29 and 61,677.50 is: 85,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414.26 : 150,987.29 = 61,677.50 : x
  2. Step 2: Convert to fraction form
    109,414.26/150,987.29 = 61,677.50/x
  3. Step 3: Cross multiply
    109,414.26x = 150,987.29 × 61,677.50
  4. Step 4: Simplify right side
    109,414.26x = 9,312,517,515.65
  5. Step 5: Solve for x
    x = 9,312,517,515.65/109,414.26
  6. Step 6: Final answer
    x = 85,112.47

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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.