Home / 109,023.39-150,460.20-66,589.92

Finding the Fourth Proportional to 109,023.39, 150,460.20 and 66,589.92

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Solution

The fourth proportional to 109,023.39, 150,460.20 and 66,589.92 is: 91,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.39 : 150,460.20 = 66,589.92 : x
  2. Step 2: Convert to fraction form
    109,023.39/150,460.20 = 66,589.92/x
  3. Step 3: Cross multiply
    109,023.39x = 150,460.20 × 66,589.92
  4. Step 4: Simplify right side
    109,023.39x = 10,019,132,681.18
  5. Step 5: Solve for x
    x = 10,019,132,681.18/109,023.39
  6. Step 6: Final answer
    x = 91,898.93

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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.