Home / 107,691.98-161,549.02-41,188.05

Finding the Fourth Proportional to 107,691.98, 161,549.02 and 41,188.05

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Solution

The fourth proportional to 107,691.98, 161,549.02 and 41,188.05 is: 61,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691.98 : 161,549.02 = 41,188.05 : x
  2. Step 2: Convert to fraction form
    107,691.98/161,549.02 = 41,188.05/x
  3. Step 3: Cross multiply
    107,691.98x = 161,549.02 × 41,188.05
  4. Step 4: Simplify right side
    107,691.98x = 6,653,889,113.21
  5. Step 5: Solve for x
    x = 6,653,889,113.21/107,691.98
  6. Step 6: Final answer
    x = 61,786.30

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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.