Home / 188,742.60-283,244.94-122,017.20

Finding the Fourth Proportional to 188,742.60, 283,244.94 and 122,017.20

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Solution

The fourth proportional to 188,742.60, 283,244.94 and 122,017.20 is: 183,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,742.60 : 283,244.94 = 122,017.20 : x
  2. Step 2: Convert to fraction form
    188,742.60/283,244.94 = 122,017.20/x
  3. Step 3: Cross multiply
    188,742.60x = 283,244.94 × 122,017.20
  4. Step 4: Simplify right side
    188,742.60x = 34,560,754,492.97
  5. Step 5: Solve for x
    x = 34,560,754,492.97/188,742.60
  6. Step 6: Final answer
    x = 183,110.51

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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.