Home / 188,053.80-259,513.38-103,169.04

Finding the Fourth Proportional to 188,053.80, 259,513.38 and 103,169.04

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Solution

The fourth proportional to 188,053.80, 259,513.38 and 103,169.04 is: 142,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,053.80 : 259,513.38 = 103,169.04 : x
  2. Step 2: Convert to fraction form
    188,053.80/259,513.38 = 103,169.04/x
  3. Step 3: Cross multiply
    188,053.80x = 259,513.38 × 103,169.04
  4. Step 4: Simplify right side
    188,053.80x = 26,773,746,281.76
  5. Step 5: Solve for x
    x = 26,773,746,281.76/188,053.80
  6. Step 6: Final answer
    x = 142,372.80

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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.