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Finding the Fourth Proportional to 161,242.65, 222,452.82 and 103,877.64

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Solution

The fourth proportional to 161,242.65, 222,452.82 and 103,877.64 is: 143,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,242.65 : 222,452.82 = 103,877.64 : x
  2. Step 2: Convert to fraction form
    161,242.65/222,452.82 = 103,877.64/x
  3. Step 3: Cross multiply
    161,242.65x = 222,452.82 × 103,877.64
  4. Step 4: Simplify right side
    161,242.65x = 23,107,873,952.94
  5. Step 5: Solve for x
    x = 23,107,873,952.94/161,242.65
  6. Step 6: Final answer
    x = 143,311.18

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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.