Home / 188,017.25-259,463.82-103,134.53

Finding the Fourth Proportional to 188,017.25, 259,463.82 and 103,134.53

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Solution

The fourth proportional to 188,017.25, 259,463.82 and 103,134.53 is: 142,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017.25 : 259,463.82 = 103,134.53 : x
  2. Step 2: Convert to fraction form
    188,017.25/259,463.82 = 103,134.53/x
  3. Step 3: Cross multiply
    188,017.25x = 259,463.82 × 103,134.53
  4. Step 4: Simplify right side
    188,017.25x = 26,759,679,127.70
  5. Step 5: Solve for x
    x = 26,759,679,127.70/188,017.25
  6. Step 6: Final answer
    x = 142,325.66

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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.