Home / 172,940.29-238,566.84-140,710.95

Finding the Fourth Proportional to 172,940.29, 238,566.84 and 140,710.95

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Solution

The fourth proportional to 172,940.29, 238,566.84 and 140,710.95 is: 194,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,940.29 : 238,566.84 = 140,710.95 : x
  2. Step 2: Convert to fraction form
    172,940.29/238,566.84 = 140,710.95/x
  3. Step 3: Cross multiply
    172,940.29x = 238,566.84 × 140,710.95
  4. Step 4: Simplify right side
    172,940.29x = 33,568,966,167.23
  5. Step 5: Solve for x
    x = 33,568,966,167.23/172,940.29
  6. Step 6: Final answer
    x = 194,107.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.