Home / 131,825.24-181,917.92-71,394.50

Finding the Fourth Proportional to 131,825.24, 181,917.92 and 71,394.50

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Solution

The fourth proportional to 131,825.24, 181,917.92 and 71,394.50 is: 98,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.24 : 181,917.92 = 71,394.50 : x
  2. Step 2: Convert to fraction form
    131,825.24/181,917.92 = 71,394.50/x
  3. Step 3: Cross multiply
    131,825.24x = 181,917.92 × 71,394.50
  4. Step 4: Simplify right side
    131,825.24x = 12,987,939,117.93
  5. Step 5: Solve for x
    x = 12,987,939,117.93/131,825.24
  6. Step 6: Final answer
    x = 98,523.92

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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.