Home / 92,253.91-138,273.33-42,339.28

Finding the Fourth Proportional to 92,253.91, 138,273.33 and 42,339.28

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Solution

The fourth proportional to 92,253.91, 138,273.33 and 42,339.28 is: 63,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,253.91 : 138,273.33 = 42,339.28 : x
  2. Step 2: Convert to fraction form
    92,253.91/138,273.33 = 42,339.28/x
  3. Step 3: Cross multiply
    92,253.91x = 138,273.33 × 42,339.28
  4. Step 4: Simplify right side
    92,253.91x = 5,854,393,235.40
  5. Step 5: Solve for x
    x = 5,854,393,235.40/92,253.91
  6. Step 6: Final answer
    x = 63,459.57

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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.