Home / 206,123.44-284,458.51-115,480.15

Finding the Fourth Proportional to 206,123.44, 284,458.51 and 115,480.15

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Solution

The fourth proportional to 206,123.44, 284,458.51 and 115,480.15 is: 159,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,123.44 : 284,458.51 = 115,480.15 : x
  2. Step 2: Convert to fraction form
    206,123.44/284,458.51 = 115,480.15/x
  3. Step 3: Cross multiply
    206,123.44x = 284,458.51 × 115,480.15
  4. Step 4: Simplify right side
    206,123.44x = 32,849,311,403.58
  5. Step 5: Solve for x
    x = 32,849,311,403.58/206,123.44
  6. Step 6: Final answer
    x = 159,367.18

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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.