Home / 253,898.12-350,379.69-140,720.96

Finding the Fourth Proportional to 253,898.12, 350,379.69 and 140,720.96

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Solution

The fourth proportional to 253,898.12, 350,379.69 and 140,720.96 is: 194,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,898.12 : 350,379.69 = 140,720.96 : x
  2. Step 2: Convert to fraction form
    253,898.12/350,379.69 = 140,720.96/x
  3. Step 3: Cross multiply
    253,898.12x = 350,379.69 × 140,720.96
  4. Step 4: Simplify right side
    253,898.12x = 49,305,766,341.30
  5. Step 5: Solve for x
    x = 49,305,766,341.30/253,898.12
  6. Step 6: Final answer
    x = 194,195.08

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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.