Home / 134,834.20-202,192.98-103,691.32

Finding the Fourth Proportional to 134,834.20, 202,192.98 and 103,691.32

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Solution

The fourth proportional to 134,834.20, 202,192.98 and 103,691.32 is: 155,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.20 : 202,192.98 = 103,691.32 : x
  2. Step 2: Convert to fraction form
    134,834.20/202,192.98 = 103,691.32/x
  3. Step 3: Cross multiply
    134,834.20x = 202,192.98 × 103,691.32
  4. Step 4: Simplify right side
    134,834.20x = 20,965,656,990.93
  5. Step 5: Solve for x
    x = 20,965,656,990.93/134,834.20
  6. Step 6: Final answer
    x = 155,492.13

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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.