Home / 137,358.68-206,974.04-112,945.64

Finding the Fourth Proportional to 137,358.68, 206,974.04 and 112,945.64

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Solution

The fourth proportional to 137,358.68, 206,974.04 and 112,945.64 is: 170,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,358.68 : 206,974.04 = 112,945.64 : x
  2. Step 2: Convert to fraction form
    137,358.68/206,974.04 = 112,945.64/x
  3. Step 3: Cross multiply
    137,358.68x = 206,974.04 × 112,945.64
  4. Step 4: Simplify right side
    137,358.68x = 23,376,815,411.19
  5. Step 5: Solve for x
    x = 23,376,815,411.19/137,358.68
  6. Step 6: Final answer
    x = 170,188.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.