Home / 131,825.30-181,918.01-71,394.56

Finding the Fourth Proportional to 131,825.30, 181,918.01 and 71,394.56

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Solution

The fourth proportional to 131,825.30, 181,918.01 and 71,394.56 is: 98,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.30 : 181,918.01 = 71,394.56 : x
  2. Step 2: Convert to fraction form
    131,825.30/181,918.01 = 71,394.56/x
  3. Step 3: Cross multiply
    131,825.30x = 181,918.01 × 71,394.56
  4. Step 4: Simplify right side
    131,825.30x = 12,987,956,645.58
  5. Step 5: Solve for x
    x = 12,987,956,645.58/131,825.30
  6. Step 6: Final answer
    x = 98,524.01

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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.