Home / 149,668.80-224,762.40-145,003.20

Finding the Fourth Proportional to 149,668.80, 224,762.40 and 145,003.20

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Solution

The fourth proportional to 149,668.80, 224,762.40 and 145,003.20 is: 217,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,668.80 : 224,762.40 = 145,003.20 : x
  2. Step 2: Convert to fraction form
    149,668.80/224,762.40 = 145,003.20/x
  3. Step 3: Cross multiply
    149,668.80x = 224,762.40 × 145,003.20
  4. Step 4: Simplify right side
    149,668.80x = 32,591,267,239.68
  5. Step 5: Solve for x
    x = 32,591,267,239.68/149,668.80
  6. Step 6: Final answer
    x = 217,755.92

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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.