Home / 122,356.12-183,296.94-71,632.12

Finding the Fourth Proportional to 122,356.12, 183,296.94 and 71,632.12

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Solution

The fourth proportional to 122,356.12, 183,296.94 and 71,632.12 is: 107,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,356.12 : 183,296.94 = 71,632.12 : x
  2. Step 2: Convert to fraction form
    122,356.12/183,296.94 = 71,632.12/x
  3. Step 3: Cross multiply
    122,356.12x = 183,296.94 × 71,632.12
  4. Step 4: Simplify right side
    122,356.12x = 13,129,948,401.71
  5. Step 5: Solve for x
    x = 13,129,948,401.71/122,356.12
  6. Step 6: Final answer
    x = 107,309.29

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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.