Home / 215,108.06-296,836.89-119,612.70

Finding the Fourth Proportional to 215,108.06, 296,836.89 and 119,612.70

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Solution

The fourth proportional to 215,108.06, 296,836.89 and 119,612.70 is: 165,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,108.06 : 296,836.89 = 119,612.70 : x
  2. Step 2: Convert to fraction form
    215,108.06/296,836.89 = 119,612.70/x
  3. Step 3: Cross multiply
    215,108.06x = 296,836.89 × 119,612.70
  4. Step 4: Simplify right side
    215,108.06x = 35,505,461,872.50
  5. Step 5: Solve for x
    x = 35,505,461,872.50/215,108.06
  6. Step 6: Final answer
    x = 165,058.73

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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.