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Finding the Fourth Proportional to 107,614.90, 161,200.00 and 63,107.62

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Solution

The fourth proportional to 107,614.90, 161,200.00 and 63,107.62 is: 94,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,614.90 : 161,200.00 = 63,107.62 : x
  2. Step 2: Convert to fraction form
    107,614.90/161,200.00 = 63,107.62/x
  3. Step 3: Cross multiply
    107,614.90x = 161,200.00 × 63,107.62
  4. Step 4: Simplify right side
    107,614.90x = 10,172,948,749.14
  5. Step 5: Solve for x
    x = 10,172,948,749.14/107,614.90
  6. Step 6: Final answer
    x = 94,531.05

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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.