Home / 92,294.13-138,434.28-29,116.33

Finding the Fourth Proportional to 92,294.13, 138,434.28 and 29,116.33

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Solution

The fourth proportional to 92,294.13, 138,434.28 and 29,116.33 is: 43,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,294.13 : 138,434.28 = 29,116.33 : x
  2. Step 2: Convert to fraction form
    92,294.13/138,434.28 = 29,116.33/x
  3. Step 3: Cross multiply
    92,294.13x = 138,434.28 × 29,116.33
  4. Step 4: Simplify right side
    92,294.13x = 4,030,698,179.79
  5. Step 5: Solve for x
    x = 4,030,698,179.79/92,294.13
  6. Step 6: Final answer
    x = 43,672.31

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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.