Home / 134,920.80-202,381.20-41,414.40

Finding the Fourth Proportional to 134,920.80, 202,381.20 and 41,414.40

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Solution

The fourth proportional to 134,920.80, 202,381.20 and 41,414.40 is: 62,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.80 : 202,381.20 = 41,414.40 : x
  2. Step 2: Convert to fraction form
    134,920.80/202,381.20 = 41,414.40/x
  3. Step 3: Cross multiply
    134,920.80x = 202,381.20 × 41,414.40
  4. Step 4: Simplify right side
    134,920.80x = 8,381,495,969.28
  5. Step 5: Solve for x
    x = 8,381,495,969.28/134,920.80
  6. Step 6: Final answer
    x = 62,121.60

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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.