Home / 194,722.20-291,864.60-82,383.30

Finding the Fourth Proportional to 194,722.20, 291,864.60 and 82,383.30

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Solution

The fourth proportional to 194,722.20, 291,864.60 and 82,383.30 is: 123,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,722.20 : 291,864.60 = 82,383.30 : x
  2. Step 2: Convert to fraction form
    194,722.20/291,864.60 = 82,383.30/x
  3. Step 3: Cross multiply
    194,722.20x = 291,864.60 × 82,383.30
  4. Step 4: Simplify right side
    194,722.20x = 24,044,768,901.18
  5. Step 5: Solve for x
    x = 24,044,768,901.18/194,722.20
  6. Step 6: Final answer
    x = 123,482.42

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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.