Home / 99,788.28-149,702.14-36,609

Finding the Fourth Proportional to 99,788.28, 149,702.14 and 36,609

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Solution

The fourth proportional to 99,788.28, 149,702.14 and 36,609 is: 54,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,788.28 : 149,702.14 = 36,609 : x
  2. Step 2: Convert to fraction form
    99,788.28/149,702.14 = 36,609/x
  3. Step 3: Cross multiply
    99,788.28x = 149,702.14 × 36,609
  4. Step 4: Simplify right side
    99,788.28x = 5,480,445,643.26
  5. Step 5: Solve for x
    x = 5,480,445,643.26/99,788.28
  6. Step 6: Final answer
    x = 54,920.73

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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.