Home / 134,818.90-202,131.15-75,672.70

Finding the Fourth Proportional to 134,818.90, 202,131.15 and 75,672.70

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Solution

The fourth proportional to 134,818.90, 202,131.15 and 75,672.70 is: 113,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,818.90 : 202,131.15 = 75,672.70 : x
  2. Step 2: Convert to fraction form
    134,818.90/202,131.15 = 75,672.70/x
  3. Step 3: Cross multiply
    134,818.90x = 202,131.15 × 75,672.70
  4. Step 4: Simplify right side
    134,818.90x = 15,295,809,874.61
  5. Step 5: Solve for x
    x = 15,295,809,874.61/134,818.90
  6. Step 6: Final answer
    x = 113,454.49

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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.