Home / 189,081.36-283,671.24-70,761.84

Finding the Fourth Proportional to 189,081.36, 283,671.24 and 70,761.84

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Solution

The fourth proportional to 189,081.36, 283,671.24 and 70,761.84 is: 106,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,081.36 : 283,671.24 = 70,761.84 : x
  2. Step 2: Convert to fraction form
    189,081.36/283,671.24 = 70,761.84/x
  3. Step 3: Cross multiply
    189,081.36x = 283,671.24 × 70,761.84
  4. Step 4: Simplify right side
    189,081.36x = 20,073,098,897.48
  5. Step 5: Solve for x
    x = 20,073,098,897.48/189,081.36
  6. Step 6: Final answer
    x = 106,161.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.