Home / 215,240.91-322,869.51-109,936.86

Finding the Fourth Proportional to 215,240.91, 322,869.51 and 109,936.86

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Solution

The fourth proportional to 215,240.91, 322,869.51 and 109,936.86 is: 164,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,240.91 : 322,869.51 = 109,936.86 : x
  2. Step 2: Convert to fraction form
    215,240.91/322,869.51 = 109,936.86/x
  3. Step 3: Cross multiply
    215,240.91x = 322,869.51 × 109,936.86
  4. Step 4: Simplify right side
    215,240.91x = 35,495,260,119.14
  5. Step 5: Solve for x
    x = 35,495,260,119.14/215,240.91
  6. Step 6: Final answer
    x = 164,909.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.