Home / 215,434.28-323,299.05-75,192.91

Finding the Fourth Proportional to 215,434.28, 323,299.05 and 75,192.91

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Solution

The fourth proportional to 215,434.28, 323,299.05 and 75,192.91 is: 112,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,434.28 : 323,299.05 = 75,192.91 : x
  2. Step 2: Convert to fraction form
    215,434.28/323,299.05 = 75,192.91/x
  3. Step 3: Cross multiply
    215,434.28x = 323,299.05 × 75,192.91
  4. Step 4: Simplify right side
    215,434.28x = 24,309,795,279.51
  5. Step 5: Solve for x
    x = 24,309,795,279.51/215,434.28
  6. Step 6: Final answer
    x = 112,840.89

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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.