Home / 261,099-360,318.82-141,867

Finding the Fourth Proportional to 261,099, 360,318.82 and 141,867

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Solution

The fourth proportional to 261,099, 360,318.82 and 141,867 is: 195,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,099 : 360,318.82 = 141,867 : x
  2. Step 2: Convert to fraction form
    261,099/360,318.82 = 141,867/x
  3. Step 3: Cross multiply
    261,099x = 360,318.82 × 141,867
  4. Step 4: Simplify right side
    261,099x = 51,117,350,036.94
  5. Step 5: Solve for x
    x = 51,117,350,036.94/261,099
  6. Step 6: Final answer
    x = 195,777.66

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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.