Home / 145,279.25-200,496.30-88,701.56

Finding the Fourth Proportional to 145,279.25, 200,496.30 and 88,701.56

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Solution

The fourth proportional to 145,279.25, 200,496.30 and 88,701.56 is: 122,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,279.25 : 200,496.30 = 88,701.56 : x
  2. Step 2: Convert to fraction form
    145,279.25/200,496.30 = 88,701.56/x
  3. Step 3: Cross multiply
    145,279.25x = 200,496.30 × 88,701.56
  4. Step 4: Simplify right side
    145,279.25x = 17,784,334,584.23
  5. Step 5: Solve for x
    x = 17,784,334,584.23/145,279.25
  6. Step 6: Final answer
    x = 122,414.83

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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.