Home / 179,223.48-268,679.70-90,402.84

Finding the Fourth Proportional to 179,223.48, 268,679.70 and 90,402.84

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Solution

The fourth proportional to 179,223.48, 268,679.70 and 90,402.84 is: 135,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.48 : 268,679.70 = 90,402.84 : x
  2. Step 2: Convert to fraction form
    179,223.48/268,679.70 = 90,402.84/x
  3. Step 3: Cross multiply
    179,223.48x = 268,679.70 × 90,402.84
  4. Step 4: Simplify right side
    179,223.48x = 24,289,407,930.35
  5. Step 5: Solve for x
    x = 24,289,407,930.35/179,223.48
  6. Step 6: Final answer
    x = 135,525.81

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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.