Home / 159,453.80-239,212.22-47,136.04

Finding the Fourth Proportional to 159,453.80, 239,212.22 and 47,136.04

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Solution

The fourth proportional to 159,453.80, 239,212.22 and 47,136.04 is: 70,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,453.80 : 239,212.22 = 47,136.04 : x
  2. Step 2: Convert to fraction form
    159,453.80/239,212.22 = 47,136.04/x
  3. Step 3: Cross multiply
    159,453.80x = 239,212.22 × 47,136.04
  4. Step 4: Simplify right side
    159,453.80x = 11,275,516,770.41
  5. Step 5: Solve for x
    x = 11,275,516,770.41/159,453.80
  6. Step 6: Final answer
    x = 70,713.38

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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.