Home / 215,733.50-297,722.42-120,240.88

Finding the Fourth Proportional to 215,733.50, 297,722.42 and 120,240.88

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Solution

The fourth proportional to 215,733.50, 297,722.42 and 120,240.88 is: 165,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.50 : 297,722.42 = 120,240.88 : x
  2. Step 2: Convert to fraction form
    215,733.50/297,722.42 = 120,240.88/x
  3. Step 3: Cross multiply
    215,733.50x = 297,722.42 × 120,240.88
  4. Step 4: Simplify right side
    215,733.50x = 35,798,405,776.53
  5. Step 5: Solve for x
    x = 35,798,405,776.53/215,733.50
  6. Step 6: Final answer
    x = 165,938.09

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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.