Home / 114,348.03-171,489.23-79,509.12

Finding the Fourth Proportional to 114,348.03, 171,489.23 and 79,509.12

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Solution

The fourth proportional to 114,348.03, 171,489.23 and 79,509.12 is: 119,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,348.03 : 171,489.23 = 79,509.12 : x
  2. Step 2: Convert to fraction form
    114,348.03/171,489.23 = 79,509.12/x
  3. Step 3: Cross multiply
    114,348.03x = 171,489.23 × 79,509.12
  4. Step 4: Simplify right side
    114,348.03x = 13,634,957,766.78
  5. Step 5: Solve for x
    x = 13,634,957,766.78/114,348.03
  6. Step 6: Final answer
    x = 119,240.86

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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.