Home / 136,144.40-204,216.60-126,302.90

Finding the Fourth Proportional to 136,144.40, 204,216.60 and 126,302.90

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Solution

The fourth proportional to 136,144.40, 204,216.60 and 126,302.90 is: 189,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,144.40 : 204,216.60 = 126,302.90 : x
  2. Step 2: Convert to fraction form
    136,144.40/204,216.60 = 126,302.90/x
  3. Step 3: Cross multiply
    136,144.40x = 204,216.60 × 126,302.90
  4. Step 4: Simplify right side
    136,144.40x = 25,793,148,808.14
  5. Step 5: Solve for x
    x = 25,793,148,808.14/136,144.40
  6. Step 6: Final answer
    x = 189,454.35

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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.