Home / 168,971.08-253,219.74-131,359

Finding the Fourth Proportional to 168,971.08, 253,219.74 and 131,359

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Solution

The fourth proportional to 168,971.08, 253,219.74 and 131,359 is: 196,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,971.08 : 253,219.74 = 131,359 : x
  2. Step 2: Convert to fraction form
    168,971.08/253,219.74 = 131,359/x
  3. Step 3: Cross multiply
    168,971.08x = 253,219.74 × 131,359
  4. Step 4: Simplify right side
    168,971.08x = 33,262,691,826.66
  5. Step 5: Solve for x
    x = 33,262,691,826.66/168,971.08
  6. Step 6: Final answer
    x = 196,854.35

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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.