Home / 90,679.88-136,030.17-24,122.72

Finding the Fourth Proportional to 90,679.88, 136,030.17 and 24,122.72

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Solution

The fourth proportional to 90,679.88, 136,030.17 and 24,122.72 is: 36,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,679.88 : 136,030.17 = 24,122.72 : x
  2. Step 2: Convert to fraction form
    90,679.88/136,030.17 = 24,122.72/x
  3. Step 3: Cross multiply
    90,679.88x = 136,030.17 × 24,122.72
  4. Step 4: Simplify right side
    90,679.88x = 3,281,417,702.46
  5. Step 5: Solve for x
    x = 3,281,417,702.46/90,679.88
  6. Step 6: Final answer
    x = 36,186.83

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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.