Home / 149,133.90-223,372.80-132,512.70

Finding the Fourth Proportional to 149,133.90, 223,372.80 and 132,512.70

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Solution

The fourth proportional to 149,133.90, 223,372.80 and 132,512.70 is: 198,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,133.90 : 223,372.80 = 132,512.70 : x
  2. Step 2: Convert to fraction form
    149,133.90/223,372.80 = 132,512.70/x
  3. Step 3: Cross multiply
    149,133.90x = 223,372.80 × 132,512.70
  4. Step 4: Simplify right side
    149,133.90x = 29,599,732,834.56
  5. Step 5: Solve for x
    x = 29,599,732,834.56/149,133.90
  6. Step 6: Final answer
    x = 198,477.56

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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.