Home / 230,504.13-318,087.84-127,142.43

Finding the Fourth Proportional to 230,504.13, 318,087.84 and 127,142.43

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Solution

The fourth proportional to 230,504.13, 318,087.84 and 127,142.43 is: 175,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,504.13 : 318,087.84 = 127,142.43 : x
  2. Step 2: Convert to fraction form
    230,504.13/318,087.84 = 127,142.43/x
  3. Step 3: Cross multiply
    230,504.13x = 318,087.84 × 127,142.43
  4. Step 4: Simplify right side
    230,504.13x = 40,442,460,215.01
  5. Step 5: Solve for x
    x = 40,442,460,215.01/230,504.13
  6. Step 6: Final answer
    x = 175,452.22

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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.