Home / 120,008.24-165,621.48-69,704

Finding the Fourth Proportional to 120,008.24, 165,621.48 and 69,704

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Solution

The fourth proportional to 120,008.24, 165,621.48 and 69,704 is: 96,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,008.24 : 165,621.48 = 69,704 : x
  2. Step 2: Convert to fraction form
    120,008.24/165,621.48 = 69,704/x
  3. Step 3: Cross multiply
    120,008.24x = 165,621.48 × 69,704
  4. Step 4: Simplify right side
    120,008.24x = 11,544,479,641.92
  5. Step 5: Solve for x
    x = 11,544,479,641.92/120,008.24
  6. Step 6: Final answer
    x = 96,197.39

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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.