Home / 194,722.20-291,435.30-141,262.20

Finding the Fourth Proportional to 194,722.20, 291,435.30 and 141,262.20

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Solution

The fourth proportional to 194,722.20, 291,435.30 and 141,262.20 is: 211,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,722.20 : 291,435.30 = 141,262.20 : x
  2. Step 2: Convert to fraction form
    194,722.20/291,435.30 = 141,262.20/x
  3. Step 3: Cross multiply
    194,722.20x = 291,435.30 × 141,262.20
  4. Step 4: Simplify right side
    194,722.20x = 41,168,791,635.66
  5. Step 5: Solve for x
    x = 41,168,791,635.66/194,722.20
  6. Step 6: Final answer
    x = 211,423.21

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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.