Home / 136,225.80-204,144.30-100,407.60

Finding the Fourth Proportional to 136,225.80, 204,144.30 and 100,407.60

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Solution

The fourth proportional to 136,225.80, 204,144.30 and 100,407.60 is: 150,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,225.80 : 204,144.30 = 100,407.60 : x
  2. Step 2: Convert to fraction form
    136,225.80/204,144.30 = 100,407.60/x
  3. Step 3: Cross multiply
    136,225.80x = 204,144.30 × 100,407.60
  4. Step 4: Simplify right side
    136,225.80x = 20,497,639,216.68
  5. Step 5: Solve for x
    x = 20,497,639,216.68/136,225.80
  6. Step 6: Final answer
    x = 150,468.11

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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.