Home / 215,538.48-297,452.32-120,045.20

Finding the Fourth Proportional to 215,538.48, 297,452.32 and 120,045.20

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Solution

The fourth proportional to 215,538.48, 297,452.32 and 120,045.20 is: 165,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,538.48 : 297,452.32 = 120,045.20 : x
  2. Step 2: Convert to fraction form
    215,538.48/297,452.32 = 120,045.20/x
  3. Step 3: Cross multiply
    215,538.48x = 297,452.32 × 120,045.20
  4. Step 4: Simplify right side
    215,538.48x = 35,707,723,244.86
  5. Step 5: Solve for x
    x = 35,707,723,244.86/215,538.48
  6. Step 6: Final answer
    x = 165,667.51

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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.