Home / 188,776.14-260,505.63-103,891.38

Finding the Fourth Proportional to 188,776.14, 260,505.63 and 103,891.38

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Solution

The fourth proportional to 188,776.14, 260,505.63 and 103,891.38 is: 143,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,776.14 : 260,505.63 = 103,891.38 : x
  2. Step 2: Convert to fraction form
    188,776.14/260,505.63 = 103,891.38/x
  3. Step 3: Cross multiply
    188,776.14x = 260,505.63 × 103,891.38
  4. Step 4: Simplify right side
    188,776.14x = 27,064,289,398.47
  5. Step 5: Solve for x
    x = 27,064,289,398.47/188,776.14
  6. Step 6: Final answer
    x = 143,367.11

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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.