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Finding the Fourth Proportional to 161,377.62, 222,697.92 and 89,756.10

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Solution

The fourth proportional to 161,377.62, 222,697.92 and 89,756.10 is: 123,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,377.62 : 222,697.92 = 89,756.10 : x
  2. Step 2: Convert to fraction form
    161,377.62/222,697.92 = 89,756.10/x
  3. Step 3: Cross multiply
    161,377.62x = 222,697.92 × 89,756.10
  4. Step 4: Simplify right side
    161,377.62x = 19,988,496,777.31
  5. Step 5: Solve for x
    x = 19,988,496,777.31/161,377.62
  6. Step 6: Final answer
    x = 123,861.64

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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.