Home / 137,514.78-206,228.97-53,269.11

Finding the Fourth Proportional to 137,514.78, 206,228.97 and 53,269.11

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Solution

The fourth proportional to 137,514.78, 206,228.97 and 53,269.11 is: 79,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,514.78 : 206,228.97 = 53,269.11 : x
  2. Step 2: Convert to fraction form
    137,514.78/206,228.97 = 53,269.11/x
  3. Step 3: Cross multiply
    137,514.78x = 206,228.97 × 53,269.11
  4. Step 4: Simplify right side
    137,514.78x = 10,985,633,688.12
  5. Step 5: Solve for x
    x = 10,985,633,688.12/137,514.78
  6. Step 6: Final answer
    x = 79,886.93

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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.