Home / 206,623.72-309,934.14-58,879.72

Finding the Fourth Proportional to 206,623.72, 309,934.14 and 58,879.72

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Solution

The fourth proportional to 206,623.72, 309,934.14 and 58,879.72 is: 88,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,623.72 : 309,934.14 = 58,879.72 : x
  2. Step 2: Convert to fraction form
    206,623.72/309,934.14 = 58,879.72/x
  3. Step 3: Cross multiply
    206,623.72x = 309,934.14 × 58,879.72
  4. Step 4: Simplify right side
    206,623.72x = 18,248,835,381.64
  5. Step 5: Solve for x
    x = 18,248,835,381.64/206,623.72
  6. Step 6: Final answer
    x = 88,319.17

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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.