Home / 122,581.26-183,477.42-82,919.88

Finding the Fourth Proportional to 122,581.26, 183,477.42 and 82,919.88

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Solution

The fourth proportional to 122,581.26, 183,477.42 and 82,919.88 is: 124,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,581.26 : 183,477.42 = 82,919.88 : x
  2. Step 2: Convert to fraction form
    122,581.26/183,477.42 = 82,919.88/x
  3. Step 3: Cross multiply
    122,581.26x = 183,477.42 × 82,919.88
  4. Step 4: Simplify right side
    122,581.26x = 15,213,925,649.11
  5. Step 5: Solve for x
    x = 15,213,925,649.11/122,581.26
  6. Step 6: Final answer
    x = 124,112.98

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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.