Home / 89,236.84-133,867.60-30,089.42

Finding the Fourth Proportional to 89,236.84, 133,867.60 and 30,089.42

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Solution

The fourth proportional to 89,236.84, 133,867.60 and 30,089.42 is: 45,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.84 : 133,867.60 = 30,089.42 : x
  2. Step 2: Convert to fraction form
    89,236.84/133,867.60 = 30,089.42/x
  3. Step 3: Cross multiply
    89,236.84x = 133,867.60 × 30,089.42
  4. Step 4: Simplify right side
    89,236.84x = 4,027,998,440.79
  5. Step 5: Solve for x
    x = 4,027,998,440.79/89,236.84
  6. Step 6: Final answer
    x = 45,138.29

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1.5x scale

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.