Home / 215,108.05-296,836.90-119,612.69

Finding the Fourth Proportional to 215,108.05, 296,836.90 and 119,612.69

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Solution

The fourth proportional to 215,108.05, 296,836.90 and 119,612.69 is: 165,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,108.05 : 296,836.90 = 119,612.69 : x
  2. Step 2: Convert to fraction form
    215,108.05/296,836.90 = 119,612.69/x
  3. Step 3: Cross multiply
    215,108.05x = 296,836.90 × 119,612.69
  4. Step 4: Simplify right side
    215,108.05x = 35,505,460,100.26
  5. Step 5: Solve for x
    x = 35,505,460,100.26/215,108.05
  6. Step 6: Final answer
    x = 165,058.72

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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.