Home / 179,229.48-268,688.70-90,408.84

Finding the Fourth Proportional to 179,229.48, 268,688.70 and 90,408.84

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Solution

The fourth proportional to 179,229.48, 268,688.70 and 90,408.84 is: 135,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,229.48 : 268,688.70 = 90,408.84 : x
  2. Step 2: Convert to fraction form
    179,229.48/268,688.70 = 90,408.84/x
  3. Step 3: Cross multiply
    179,229.48x = 268,688.70 × 90,408.84
  4. Step 4: Simplify right side
    179,229.48x = 24,291,833,688.11
  5. Step 5: Solve for x
    x = 24,291,833,688.11/179,229.48
  6. Step 6: Final answer
    x = 135,534.81

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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.