Home / 122,081.40-183,122.10-80,227.69

Finding the Fourth Proportional to 122,081.40, 183,122.10 and 80,227.69

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Solution

The fourth proportional to 122,081.40, 183,122.10 and 80,227.69 is: 120,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,081.40 : 183,122.10 = 80,227.69 : x
  2. Step 2: Convert to fraction form
    122,081.40/183,122.10 = 80,227.69/x
  3. Step 3: Cross multiply
    122,081.40x = 183,122.10 × 80,227.69
  4. Step 4: Simplify right side
    122,081.40x = 14,691,462,613.14
  5. Step 5: Solve for x
    x = 14,691,462,613.14/122,081.40
  6. Step 6: Final answer
    x = 120,341.53

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1.5x scale

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.