Home / 149,999.40-224,634.60-79,723.80

Finding the Fourth Proportional to 149,999.40, 224,634.60 and 79,723.80

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Solution

The fourth proportional to 149,999.40, 224,634.60 and 79,723.80 is: 119,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999.40 : 224,634.60 = 79,723.80 : x
  2. Step 2: Convert to fraction form
    149,999.40/224,634.60 = 79,723.80/x
  3. Step 3: Cross multiply
    149,999.40x = 224,634.60 × 79,723.80
  4. Step 4: Simplify right side
    149,999.40x = 17,908,723,923.48
  5. Step 5: Solve for x
    x = 17,908,723,923.48/149,999.40
  6. Step 6: Final answer
    x = 119,391.97

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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.