Home / 109,229.35-150,693.20-66,812.48

Finding the Fourth Proportional to 109,229.35, 150,693.20 and 66,812.48

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Solution

The fourth proportional to 109,229.35, 150,693.20 and 66,812.48 is: 92,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,229.35 : 150,693.20 = 66,812.48 : x
  2. Step 2: Convert to fraction form
    109,229.35/150,693.20 = 66,812.48/x
  3. Step 3: Cross multiply
    109,229.35x = 150,693.20 × 66,812.48
  4. Step 4: Simplify right side
    109,229.35x = 10,068,186,411.14
  5. Step 5: Solve for x
    x = 10,068,186,411.14/109,229.35
  6. Step 6: Final answer
    x = 92,174.74

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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.