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Finding the Fourth Proportional to 188,305.54, 259,753.17 and 112,810.30

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Solution

The fourth proportional to 188,305.54, 259,753.17 and 112,810.30 is: 155,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,305.54 : 259,753.17 = 112,810.30 : x
  2. Step 2: Convert to fraction form
    188,305.54/259,753.17 = 112,810.30/x
  3. Step 3: Cross multiply
    188,305.54x = 259,753.17 × 112,810.30
  4. Step 4: Simplify right side
    188,305.54x = 29,302,833,033.65
  5. Step 5: Solve for x
    x = 29,302,833,033.65/188,305.54
  6. Step 6: Final answer
    x = 155,613.23

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1.5x scale

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.