Home / 194,491.10-291,275.85-131,822.30

Finding the Fourth Proportional to 194,491.10, 291,275.85 and 131,822.30

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Solution

The fourth proportional to 194,491.10, 291,275.85 and 131,822.30 is: 197,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,491.10 : 291,275.85 = 131,822.30 : x
  2. Step 2: Convert to fraction form
    194,491.10/291,275.85 = 131,822.30/x
  3. Step 3: Cross multiply
    194,491.10x = 291,275.85 × 131,822.30
  4. Step 4: Simplify right side
    194,491.10x = 38,396,652,481.46
  5. Step 5: Solve for x
    x = 38,396,652,481.46/194,491.10
  6. Step 6: Final answer
    x = 197,421.13

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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.