Home / 268,092.47-402,196.56-90,595.55

Finding the Fourth Proportional to 268,092.47, 402,196.56 and 90,595.55

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Solution

The fourth proportional to 268,092.47, 402,196.56 and 90,595.55 is: 135,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,092.47 : 402,196.56 = 90,595.55 : x
  2. Step 2: Convert to fraction form
    268,092.47/402,196.56 = 90,595.55/x
  3. Step 3: Cross multiply
    268,092.47x = 402,196.56 × 90,595.55
  4. Step 4: Simplify right side
    268,092.47x = 36,437,216,550.33
  5. Step 5: Solve for x
    x = 36,437,216,550.33/268,092.47
  6. Step 6: Final answer
    x = 135,912.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.