Home / 149,815.40-224,723.10-134,781.80

Finding the Fourth Proportional to 149,815.40, 224,723.10 and 134,781.80

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Solution

The fourth proportional to 149,815.40, 224,723.10 and 134,781.80 is: 202,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,815.40 : 224,723.10 = 134,781.80 : x
  2. Step 2: Convert to fraction form
    149,815.40/224,723.10 = 134,781.80/x
  3. Step 3: Cross multiply
    149,815.40x = 224,723.10 × 134,781.80
  4. Step 4: Simplify right side
    149,815.40x = 30,288,583,919.58
  5. Step 5: Solve for x
    x = 30,288,583,919.58/149,815.40
  6. Step 6: Final answer
    x = 202,172.70

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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.