Home / 188,117.70-282,250.05-82,862.94

Finding the Fourth Proportional to 188,117.70, 282,250.05 and 82,862.94

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Solution

The fourth proportional to 188,117.70, 282,250.05 and 82,862.94 is: 124,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,117.70 : 282,250.05 = 82,862.94 : x
  2. Step 2: Convert to fraction form
    188,117.70/282,250.05 = 82,862.94/x
  3. Step 3: Cross multiply
    188,117.70x = 282,250.05 × 82,862.94
  4. Step 4: Simplify right side
    188,117.70x = 23,388,068,958.15
  5. Step 5: Solve for x
    x = 23,388,068,958.15/188,117.70
  6. Step 6: Final answer
    x = 124,326.79

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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.