Home / 230,739.80-318,443.22-140,074.76

Finding the Fourth Proportional to 230,739.80, 318,443.22 and 140,074.76

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Solution

The fourth proportional to 230,739.80, 318,443.22 and 140,074.76 is: 193,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,739.80 : 318,443.22 = 140,074.76 : x
  2. Step 2: Convert to fraction form
    230,739.80/318,443.22 = 140,074.76/x
  3. Step 3: Cross multiply
    230,739.80x = 318,443.22 × 140,074.76
  4. Step 4: Simplify right side
    230,739.80x = 44,605,857,615.13
  5. Step 5: Solve for x
    x = 44,605,857,615.13/230,739.80
  6. Step 6: Final answer
    x = 193,316.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.