Home / 89,267.28-133,866.68-30,086.96

Finding the Fourth Proportional to 89,267.28, 133,866.68 and 30,086.96

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Solution

The fourth proportional to 89,267.28, 133,866.68 and 30,086.96 is: 45,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,267.28 : 133,866.68 = 30,086.96 : x
  2. Step 2: Convert to fraction form
    89,267.28/133,866.68 = 30,086.96/x
  3. Step 3: Cross multiply
    89,267.28x = 133,866.68 × 30,086.96
  4. Step 4: Simplify right side
    89,267.28x = 4,027,641,446.49
  5. Step 5: Solve for x
    x = 4,027,641,446.49/89,267.28
  6. Step 6: Final answer
    x = 45,118.90

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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.