Home / 90,788.88-136,189.68-24,228.72

Finding the Fourth Proportional to 90,788.88, 136,189.68 and 24,228.72

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Solution

The fourth proportional to 90,788.88, 136,189.68 and 24,228.72 is: 36,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,788.88 : 136,189.68 = 24,228.72 : x
  2. Step 2: Convert to fraction form
    90,788.88/136,189.68 = 24,228.72/x
  3. Step 3: Cross multiply
    90,788.88x = 136,189.68 × 24,228.72
  4. Step 4: Simplify right side
    90,788.88x = 3,299,701,623.61
  5. Step 5: Solve for x
    x = 3,299,701,623.61/90,788.88
  6. Step 6: Final answer
    x = 36,344.78

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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.