Home / 215,581.20-297,511.25-120,087.93

Finding the Fourth Proportional to 215,581.20, 297,511.25 and 120,087.93

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Solution

The fourth proportional to 215,581.20, 297,511.25 and 120,087.93 is: 165,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,581.20 : 297,511.25 = 120,087.93 : x
  2. Step 2: Convert to fraction form
    215,581.20/297,511.25 = 120,087.93/x
  3. Step 3: Cross multiply
    215,581.20x = 297,511.25 × 120,087.93
  4. Step 4: Simplify right side
    215,581.20x = 35,727,510,679.44
  5. Step 5: Solve for x
    x = 35,727,510,679.44/215,581.20
  6. Step 6: Final answer
    x = 165,726.47

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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.