Home / 115,191.04-172,789.26-30,951.31

Finding the Fourth Proportional to 115,191.04, 172,789.26 and 30,951.31

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Solution

The fourth proportional to 115,191.04, 172,789.26 and 30,951.31 is: 46,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,191.04 : 172,789.26 = 30,951.31 : x
  2. Step 2: Convert to fraction form
    115,191.04/172,789.26 = 30,951.31/x
  3. Step 3: Cross multiply
    115,191.04x = 172,789.26 × 30,951.31
  4. Step 4: Simplify right side
    115,191.04x = 5,348,053,950.93
  5. Step 5: Solve for x
    x = 5,348,053,950.93/115,191.04
  6. Step 6: Final answer
    x = 46,427.69

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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.