Home / 92,077.38-138,118.74-35,915.22

Finding the Fourth Proportional to 92,077.38, 138,118.74 and 35,915.22

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Solution

The fourth proportional to 92,077.38, 138,118.74 and 35,915.22 is: 53,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,077.38 : 138,118.74 = 35,915.22 : x
  2. Step 2: Convert to fraction form
    92,077.38/138,118.74 = 35,915.22/x
  3. Step 3: Cross multiply
    92,077.38x = 138,118.74 × 35,915.22
  4. Step 4: Simplify right side
    92,077.38x = 4,960,564,933.22
  5. Step 5: Solve for x
    x = 4,960,564,933.22/92,077.38
  6. Step 6: Final answer
    x = 53,873.87

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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.