Home / 149,938.72-224,796.97-90,760.39

Finding the Fourth Proportional to 149,938.72, 224,796.97 and 90,760.39

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Solution

The fourth proportional to 149,938.72, 224,796.97 and 90,760.39 is: 136,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,938.72 : 224,796.97 = 90,760.39 : x
  2. Step 2: Convert to fraction form
    149,938.72/224,796.97 = 90,760.39/x
  3. Step 3: Cross multiply
    149,938.72x = 224,796.97 × 90,760.39
  4. Step 4: Simplify right side
    149,938.72x = 20,402,660,668.02
  5. Step 5: Solve for x
    x = 20,402,660,668.02/149,938.72
  6. Step 6: Final answer
    x = 136,073.33

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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.