Home / 188,755.38-260,476.02-103,872.24

Finding the Fourth Proportional to 188,755.38, 260,476.02 and 103,872.24

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Solution

The fourth proportional to 188,755.38, 260,476.02 and 103,872.24 is: 143,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,755.38 : 260,476.02 = 103,872.24 : x
  2. Step 2: Convert to fraction form
    188,755.38/260,476.02 = 103,872.24/x
  3. Step 3: Cross multiply
    188,755.38x = 260,476.02 × 103,872.24
  4. Step 4: Simplify right side
    188,755.38x = 27,056,227,663.68
  5. Step 5: Solve for x
    x = 27,056,227,663.68/188,755.38
  6. Step 6: Final answer
    x = 143,340.17

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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.