Home / 215,569.76-297,466.97-120,074.40

Finding the Fourth Proportional to 215,569.76, 297,466.97 and 120,074.40

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Solution

The fourth proportional to 215,569.76, 297,466.97 and 120,074.40 is: 165,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,569.76 : 297,466.97 = 120,074.40 : x
  2. Step 2: Convert to fraction form
    215,569.76/297,466.97 = 120,074.40/x
  3. Step 3: Cross multiply
    215,569.76x = 297,466.97 × 120,074.40
  4. Step 4: Simplify right side
    215,569.76x = 35,718,167,342.20
  5. Step 5: Solve for x
    x = 35,718,167,342.20/215,569.76
  6. Step 6: Final answer
    x = 165,691.92

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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.