Home / 122,480.38-183,720.57-39,374.38

Finding the Fourth Proportional to 122,480.38, 183,720.57 and 39,374.38

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Solution

The fourth proportional to 122,480.38, 183,720.57 and 39,374.38 is: 59,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,480.38 : 183,720.57 = 39,374.38 : x
  2. Step 2: Convert to fraction form
    122,480.38/183,720.57 = 39,374.38/x
  3. Step 3: Cross multiply
    122,480.38x = 183,720.57 × 39,374.38
  4. Step 4: Simplify right side
    122,480.38x = 7,233,882,421.52
  5. Step 5: Solve for x
    x = 7,233,882,421.52/122,480.38
  6. Step 6: Final answer
    x = 59,061.56

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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.