Home / 215,351.43-297,177.33-119,856.06

Finding the Fourth Proportional to 215,351.43, 297,177.33 and 119,856.06

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Solution

The fourth proportional to 215,351.43, 297,177.33 and 119,856.06 is: 165,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,351.43 : 297,177.33 = 119,856.06 : x
  2. Step 2: Convert to fraction form
    215,351.43/297,177.33 = 119,856.06/x
  3. Step 3: Cross multiply
    215,351.43x = 297,177.33 × 119,856.06
  4. Step 4: Simplify right side
    215,351.43x = 35,618,503,895.12
  5. Step 5: Solve for x
    x = 35,618,503,895.12/215,351.43
  6. Step 6: Final answer
    x = 165,397.11

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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.