Home / 250,146.85-345,200.25-135,422.55

Finding the Fourth Proportional to 250,146.85, 345,200.25 and 135,422.55

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Solution

The fourth proportional to 250,146.85, 345,200.25 and 135,422.55 is: 186,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,146.85 : 345,200.25 = 135,422.55 : x
  2. Step 2: Convert to fraction form
    250,146.85/345,200.25 = 135,422.55/x
  3. Step 3: Cross multiply
    250,146.85x = 345,200.25 × 135,422.55
  4. Step 4: Simplify right side
    250,146.85x = 46,747,897,438.52
  5. Step 5: Solve for x
    x = 46,747,897,438.52/250,146.85
  6. Step 6: Final answer
    x = 186,881.82

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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.