Home / 149,712.30-224,568.45-135,934.20

Finding the Fourth Proportional to 149,712.30, 224,568.45 and 135,934.20

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Solution

The fourth proportional to 149,712.30, 224,568.45 and 135,934.20 is: 203,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712.30 : 224,568.45 = 135,934.20 : x
  2. Step 2: Convert to fraction form
    149,712.30/224,568.45 = 135,934.20/x
  3. Step 3: Cross multiply
    149,712.30x = 224,568.45 × 135,934.20
  4. Step 4: Simplify right side
    149,712.30x = 30,526,532,595.99
  5. Step 5: Solve for x
    x = 30,526,532,595.99/149,712.30
  6. Step 6: Final answer
    x = 203,901.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.