Home / 215,568.18-297,493.26-120,074.91

Finding the Fourth Proportional to 215,568.18, 297,493.26 and 120,074.91

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Solution

The fourth proportional to 215,568.18, 297,493.26 and 120,074.91 is: 165,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,568.18 : 297,493.26 = 120,074.91 : x
  2. Step 2: Convert to fraction form
    215,568.18/297,493.26 = 120,074.91/x
  3. Step 3: Cross multiply
    215,568.18x = 297,493.26 × 120,074.91
  4. Step 4: Simplify right side
    215,568.18x = 35,721,476,420.11
  5. Step 5: Solve for x
    x = 35,721,476,420.11/215,568.18
  6. Step 6: Final answer
    x = 165,708.48

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1.5x scale

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.