Home / 91,179.10-136,754.97-28,841.50

Finding the Fourth Proportional to 91,179.10, 136,754.97 and 28,841.50

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Solution

The fourth proportional to 91,179.10, 136,754.97 and 28,841.50 is: 43,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179.10 : 136,754.97 = 28,841.50 : x
  2. Step 2: Convert to fraction form
    91,179.10/136,754.97 = 28,841.50/x
  3. Step 3: Cross multiply
    91,179.10x = 136,754.97 × 28,841.50
  4. Step 4: Simplify right side
    91,179.10x = 3,944,218,467.26
  5. Step 5: Solve for x
    x = 3,944,218,467.26/91,179.10
  6. Step 6: Final answer
    x = 43,257.92

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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.