Home / 146,920.33-202,833.32-112,400.12

Finding the Fourth Proportional to 146,920.33, 202,833.32 and 112,400.12

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Solution

The fourth proportional to 146,920.33, 202,833.32 and 112,400.12 is: 155,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,920.33 : 202,833.32 = 112,400.12 : x
  2. Step 2: Convert to fraction form
    146,920.33/202,833.32 = 112,400.12/x
  3. Step 3: Cross multiply
    146,920.33x = 202,833.32 × 112,400.12
  4. Step 4: Simplify right side
    146,920.33x = 22,798,488,436.93
  5. Step 5: Solve for x
    x = 22,798,488,436.93/146,920.33
  6. Step 6: Final answer
    x = 155,175.86

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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.