Home / 122,486.07-183,408.33-80,233.23

Finding the Fourth Proportional to 122,486.07, 183,408.33 and 80,233.23

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Solution

The fourth proportional to 122,486.07, 183,408.33 and 80,233.23 is: 120,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486.07 : 183,408.33 = 80,233.23 : x
  2. Step 2: Convert to fraction form
    122,486.07/183,408.33 = 80,233.23/x
  3. Step 3: Cross multiply
    122,486.07x = 183,408.33 × 80,233.23
  4. Step 4: Simplify right side
    122,486.07x = 14,715,442,724.81
  5. Step 5: Solve for x
    x = 14,715,442,724.81/122,486.07
  6. Step 6: Final answer
    x = 120,139.72

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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.