Home / 109,189.95-150,764.25-107,446.15

Finding the Fourth Proportional to 109,189.95, 150,764.25 and 107,446.15

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Solution

The fourth proportional to 109,189.95, 150,764.25 and 107,446.15 is: 148,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,189.95 : 150,764.25 = 107,446.15 : x
  2. Step 2: Convert to fraction form
    109,189.95/150,764.25 = 107,446.15/x
  3. Step 3: Cross multiply
    109,189.95x = 150,764.25 × 107,446.15
  4. Step 4: Simplify right side
    109,189.95x = 16,199,038,220.14
  5. Step 5: Solve for x
    x = 16,199,038,220.14/109,189.95
  6. Step 6: Final answer
    x = 148,356.49

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1.5x scale

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.