Home / 215,737.35-297,718.93-120,250.10

Finding the Fourth Proportional to 215,737.35, 297,718.93 and 120,250.10

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Solution

The fourth proportional to 215,737.35, 297,718.93 and 120,250.10 is: 165,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,737.35 : 297,718.93 = 120,250.10 : x
  2. Step 2: Convert to fraction form
    215,737.35/297,718.93 = 120,250.10/x
  3. Step 3: Cross multiply
    215,737.35x = 297,718.93 × 120,250.10
  4. Step 4: Simplify right side
    215,737.35x = 35,800,731,104.39
  5. Step 5: Solve for x
    x = 35,800,731,104.39/215,737.35
  6. Step 6: Final answer
    x = 165,945.91

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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.