Home / 131,825.62-181,918.44-71,394.88

Finding the Fourth Proportional to 131,825.62, 181,918.44 and 71,394.88

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Solution

The fourth proportional to 131,825.62, 181,918.44 and 71,394.88 is: 98,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.62 : 181,918.44 = 71,394.88 : x
  2. Step 2: Convert to fraction form
    131,825.62/181,918.44 = 71,394.88/x
  3. Step 3: Cross multiply
    131,825.62x = 181,918.44 × 71,394.88
  4. Step 4: Simplify right side
    131,825.62x = 12,988,044,284.00
  5. Step 5: Solve for x
    x = 12,988,044,284.00/131,825.62
  6. Step 6: Final answer
    x = 98,524.44

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1.5x scale

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.