Home / 253,729.22-350,131.25-138,984.95

Finding the Fourth Proportional to 253,729.22, 350,131.25 and 138,984.95

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Solution

The fourth proportional to 253,729.22, 350,131.25 and 138,984.95 is: 191,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,729.22 : 350,131.25 = 138,984.95 : x
  2. Step 2: Convert to fraction form
    253,729.22/350,131.25 = 138,984.95/x
  3. Step 3: Cross multiply
    253,729.22x = 350,131.25 × 138,984.95
  4. Step 4: Simplify right side
    253,729.22x = 48,662,971,829.11
  5. Step 5: Solve for x
    x = 48,662,971,829.11/253,729.22
  6. Step 6: Final answer
    x = 191,790.97

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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.