Home / 140,215.40-210,323.10-126,218.60

Finding the Fourth Proportional to 140,215.40, 210,323.10 and 126,218.60

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Solution

The fourth proportional to 140,215.40, 210,323.10 and 126,218.60 is: 189,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,215.40 : 210,323.10 = 126,218.60 : x
  2. Step 2: Convert to fraction form
    140,215.40/210,323.10 = 126,218.60/x
  3. Step 3: Cross multiply
    140,215.40x = 210,323.10 × 126,218.60
  4. Step 4: Simplify right side
    140,215.40x = 26,546,687,229.66
  5. Step 5: Solve for x
    x = 26,546,687,229.66/140,215.40
  6. Step 6: Final answer
    x = 189,327.90

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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.