Home / 149,948.40-224,558.10-79,672.80

Finding the Fourth Proportional to 149,948.40, 224,558.10 and 79,672.80

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Solution

The fourth proportional to 149,948.40, 224,558.10 and 79,672.80 is: 119,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,948.40 : 224,558.10 = 79,672.80 : x
  2. Step 2: Convert to fraction form
    149,948.40/224,558.10 = 79,672.80/x
  3. Step 3: Cross multiply
    149,948.40x = 224,558.10 × 79,672.80
  4. Step 4: Simplify right side
    149,948.40x = 17,891,172,589.68
  5. Step 5: Solve for x
    x = 17,891,172,589.68/149,948.40
  6. Step 6: Final answer
    x = 119,315.53

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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.