Home / 208,850.13-288,213.46-113,356.87

Finding the Fourth Proportional to 208,850.13, 288,213.46 and 113,356.87

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Solution

The fourth proportional to 208,850.13, 288,213.46 and 113,356.87 is: 156,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,850.13 : 288,213.46 = 113,356.87 : x
  2. Step 2: Convert to fraction form
    208,850.13/288,213.46 = 113,356.87/x
  3. Step 3: Cross multiply
    208,850.13x = 288,213.46 × 113,356.87
  4. Step 4: Simplify right side
    208,850.13x = 32,670,974,713.54
  5. Step 5: Solve for x
    x = 32,670,974,713.54/208,850.13
  6. Step 6: Final answer
    x = 156,432.63

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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.