Home / 194,462.13-291,742.40-54,220.75

Finding the Fourth Proportional to 194,462.13, 291,742.40 and 54,220.75

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Solution

The fourth proportional to 194,462.13, 291,742.40 and 54,220.75 is: 81,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,462.13 : 291,742.40 = 54,220.75 : x
  2. Step 2: Convert to fraction form
    194,462.13/291,742.40 = 54,220.75/x
  3. Step 3: Cross multiply
    194,462.13x = 291,742.40 × 54,220.75
  4. Step 4: Simplify right side
    194,462.13x = 15,818,491,734.80
  5. Step 5: Solve for x
    x = 15,818,491,734.80/194,462.13
  6. Step 6: Final answer
    x = 81,344.84

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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.