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Finding the Fourth Proportional to 188,107.46, 259,591.53 and 103,232.42

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Solution

The fourth proportional to 188,107.46, 259,591.53 and 103,232.42 is: 142,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,107.46 : 259,591.53 = 103,232.42 : x
  2. Step 2: Convert to fraction form
    188,107.46/259,591.53 = 103,232.42/x
  3. Step 3: Cross multiply
    188,107.46x = 259,591.53 × 103,232.42
  4. Step 4: Simplify right side
    188,107.46x = 26,798,261,853.40
  5. Step 5: Solve for x
    x = 26,798,261,853.40/188,107.46
  6. Step 6: Final answer
    x = 142,462.52

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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.