Home / 109,267.11-150,788.25-61,535.70

Finding the Fourth Proportional to 109,267.11, 150,788.25 and 61,535.70

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Solution

The fourth proportional to 109,267.11, 150,788.25 and 61,535.70 is: 84,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267.11 : 150,788.25 = 61,535.70 : x
  2. Step 2: Convert to fraction form
    109,267.11/150,788.25 = 61,535.70/x
  3. Step 3: Cross multiply
    109,267.11x = 150,788.25 × 61,535.70
  4. Step 4: Simplify right side
    109,267.11x = 9,278,860,515.53
  5. Step 5: Solve for x
    x = 9,278,860,515.53/109,267.11
  6. Step 6: Final answer
    x = 84,919.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.