Home / 119,167.20-164,450.22-65,452.05

Finding the Fourth Proportional to 119,167.20, 164,450.22 and 65,452.05

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Solution

The fourth proportional to 119,167.20, 164,450.22 and 65,452.05 is: 90,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,167.20 : 164,450.22 = 65,452.05 : x
  2. Step 2: Convert to fraction form
    119,167.20/164,450.22 = 65,452.05/x
  3. Step 3: Cross multiply
    119,167.20x = 164,450.22 × 65,452.05
  4. Step 4: Simplify right side
    119,167.20x = 10,763,604,021.95
  5. Step 5: Solve for x
    x = 10,763,604,021.95/119,167.20
  6. Step 6: Final answer
    x = 90,323.55

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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.