Home / 92,158.90-138,244.57-31,344.39

Finding the Fourth Proportional to 92,158.90, 138,244.57 and 31,344.39

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Solution

The fourth proportional to 92,158.90, 138,244.57 and 31,344.39 is: 47,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,158.90 : 138,244.57 = 31,344.39 : x
  2. Step 2: Convert to fraction form
    92,158.90/138,244.57 = 31,344.39/x
  3. Step 3: Cross multiply
    92,158.90x = 138,244.57 × 31,344.39
  4. Step 4: Simplify right side
    92,158.90x = 4,333,191,639.10
  5. Step 5: Solve for x
    x = 4,333,191,639.10/92,158.90
  6. Step 6: Final answer
    x = 47,018.70

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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.