Home / 209,966.88-315,132.30-110,197.56

Finding the Fourth Proportional to 209,966.88, 315,132.30 and 110,197.56

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Solution

The fourth proportional to 209,966.88, 315,132.30 and 110,197.56 is: 165,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,966.88 : 315,132.30 = 110,197.56 : x
  2. Step 2: Convert to fraction form
    209,966.88/315,132.30 = 110,197.56/x
  3. Step 3: Cross multiply
    209,966.88x = 315,132.30 × 110,197.56
  4. Step 4: Simplify right side
    209,966.88x = 34,726,810,537.19
  5. Step 5: Solve for x
    x = 34,726,810,537.19/209,966.88
  6. Step 6: Final answer
    x = 165,391.85

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1.5x scale

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.