Home / 109,296.89-150,836.13-66,863.55

Finding the Fourth Proportional to 109,296.89, 150,836.13 and 66,863.55

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Solution

The fourth proportional to 109,296.89, 150,836.13 and 66,863.55 is: 92,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296.89 : 150,836.13 = 66,863.55 : x
  2. Step 2: Convert to fraction form
    109,296.89/150,836.13 = 66,863.55/x
  3. Step 3: Cross multiply
    109,296.89x = 150,836.13 × 66,863.55
  4. Step 4: Simplify right side
    109,296.89x = 10,085,439,120.06
  5. Step 5: Solve for x
    x = 10,085,439,120.06/109,296.89
  6. Step 6: Final answer
    x = 92,275.63

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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.