Home / 109,356.85-149,928.22-107,363.95

Finding the Fourth Proportional to 109,356.85, 149,928.22 and 107,363.95

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Solution

The fourth proportional to 109,356.85, 149,928.22 and 107,363.95 is: 147,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.85 : 149,928.22 = 107,363.95 : x
  2. Step 2: Convert to fraction form
    109,356.85/149,928.22 = 107,363.95/x
  3. Step 3: Cross multiply
    109,356.85x = 149,928.22 × 107,363.95
  4. Step 4: Simplify right side
    109,356.85x = 16,096,885,977.01
  5. Step 5: Solve for x
    x = 16,096,885,977.01/109,356.85
  6. Step 6: Final answer
    x = 147,195.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.