Home / 109,296.14-150,835.10-66,862.80

Finding the Fourth Proportional to 109,296.14, 150,835.10 and 66,862.80

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Solution

The fourth proportional to 109,296.14, 150,835.10 and 66,862.80 is: 92,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296.14 : 150,835.10 = 66,862.80 : x
  2. Step 2: Convert to fraction form
    109,296.14/150,835.10 = 66,862.80/x
  3. Step 3: Cross multiply
    109,296.14x = 150,835.10 × 66,862.80
  4. Step 4: Simplify right side
    109,296.14x = 10,085,256,789.97
  5. Step 5: Solve for x
    x = 10,085,256,789.97/109,296.14
  6. Step 6: Final answer
    x = 92,274.60

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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.