Home / 188,251.28-260,018.37-140,716.83

Finding the Fourth Proportional to 188,251.28, 260,018.37 and 140,716.83

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Solution

The fourth proportional to 188,251.28, 260,018.37 and 140,716.83 is: 194,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,251.28 : 260,018.37 = 140,716.83 : x
  2. Step 2: Convert to fraction form
    188,251.28/260,018.37 = 140,716.83/x
  3. Step 3: Cross multiply
    188,251.28x = 260,018.37 × 140,716.83
  4. Step 4: Simplify right side
    188,251.28x = 36,588,960,768.17
  5. Step 5: Solve for x
    x = 36,588,960,768.17/188,251.28
  6. Step 6: Final answer
    x = 194,362.35

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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.