Home / 188,117.94-282,176.13-68,146.80

Finding the Fourth Proportional to 188,117.94, 282,176.13 and 68,146.80

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Solution

The fourth proportional to 188,117.94, 282,176.13 and 68,146.80 is: 102,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,117.94 : 282,176.13 = 68,146.80 : x
  2. Step 2: Convert to fraction form
    188,117.94/282,176.13 = 68,146.80/x
  3. Step 3: Cross multiply
    188,117.94x = 282,176.13 × 68,146.80
  4. Step 4: Simplify right side
    188,117.94x = 19,229,400,295.88
  5. Step 5: Solve for x
    x = 19,229,400,295.88/188,117.94
  6. Step 6: Final answer
    x = 102,219.92

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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.