Home / 188,278.14-259,825.62-103,397.04

Finding the Fourth Proportional to 188,278.14, 259,825.62 and 103,397.04

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Solution

The fourth proportional to 188,278.14, 259,825.62 and 103,397.04 is: 142,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,278.14 : 259,825.62 = 103,397.04 : x
  2. Step 2: Convert to fraction form
    188,278.14/259,825.62 = 103,397.04/x
  3. Step 3: Cross multiply
    188,278.14x = 259,825.62 × 103,397.04
  4. Step 4: Simplify right side
    188,278.14x = 26,865,200,024.16
  5. Step 5: Solve for x
    x = 26,865,200,024.16/188,278.14
  6. Step 6: Final answer
    x = 142,688.90

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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.