Home / 188,839.17-260,597.36-103,956.23

Finding the Fourth Proportional to 188,839.17, 260,597.36 and 103,956.23

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Solution

The fourth proportional to 188,839.17, 260,597.36 and 103,956.23 is: 143,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,839.17 : 260,597.36 = 103,956.23 : x
  2. Step 2: Convert to fraction form
    188,839.17/260,597.36 = 103,956.23/x
  3. Step 3: Cross multiply
    188,839.17x = 260,597.36 × 103,956.23
  4. Step 4: Simplify right side
    188,839.17x = 27,090,717,270.78
  5. Step 5: Solve for x
    x = 27,090,717,270.78/188,839.17
  6. Step 6: Final answer
    x = 143,459.21

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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.