Home / 107,868.08-161,787-45,524

Finding the Fourth Proportional to 107,868.08, 161,787 and 45,524

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Solution

The fourth proportional to 107,868.08, 161,787 and 45,524 is: 68,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,868.08 : 161,787 = 45,524 : x
  2. Step 2: Convert to fraction form
    107,868.08/161,787 = 45,524/x
  3. Step 3: Cross multiply
    107,868.08x = 161,787 × 45,524
  4. Step 4: Simplify right side
    107,868.08x = 7,365,191,388
  5. Step 5: Solve for x
    x = 7,365,191,388/107,868.08
  6. Step 6: Final answer
    x = 68,279.62

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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.