Home / 161,343.77-222,654.69-89,723.15

Finding the Fourth Proportional to 161,343.77, 222,654.69 and 89,723.15

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Solution

The fourth proportional to 161,343.77, 222,654.69 and 89,723.15 is: 123,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,343.77 : 222,654.69 = 89,723.15 : x
  2. Step 2: Convert to fraction form
    161,343.77/222,654.69 = 89,723.15/x
  3. Step 3: Cross multiply
    161,343.77x = 222,654.69 × 89,723.15
  4. Step 4: Simplify right side
    161,343.77x = 19,977,280,149.07
  5. Step 5: Solve for x
    x = 19,977,280,149.07/161,343.77
  6. Step 6: Final answer
    x = 123,818.11

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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.