Home / 252,884.13-349,004.22-138,180.20

Finding the Fourth Proportional to 252,884.13, 349,004.22 and 138,180.20

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Solution

The fourth proportional to 252,884.13, 349,004.22 and 138,180.20 is: 190,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,884.13 : 349,004.22 = 138,180.20 : x
  2. Step 2: Convert to fraction form
    252,884.13/349,004.22 = 138,180.20/x
  3. Step 3: Cross multiply
    252,884.13x = 349,004.22 × 138,180.20
  4. Step 4: Simplify right side
    252,884.13x = 48,225,472,920.44
  5. Step 5: Solve for x
    x = 48,225,472,920.44/252,884.13
  6. Step 6: Final answer
    x = 190,701.86

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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.