Home / 92,631.68-138,947.68-22,511.04

Finding the Fourth Proportional to 92,631.68, 138,947.68 and 22,511.04

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Solution

The fourth proportional to 92,631.68, 138,947.68 and 22,511.04 is: 33,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.68 : 138,947.68 = 22,511.04 : x
  2. Step 2: Convert to fraction form
    92,631.68/138,947.68 = 22,511.04/x
  3. Step 3: Cross multiply
    92,631.68x = 138,947.68 × 22,511.04
  4. Step 4: Simplify right side
    92,631.68x = 3,127,856,782.39
  5. Step 5: Solve for x
    x = 3,127,856,782.39/92,631.68
  6. Step 6: Final answer
    x = 33,766.60

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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.