Home / 276,056.40-414,142.20-89,086.80

Finding the Fourth Proportional to 276,056.40, 414,142.20 and 89,086.80

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Solution

The fourth proportional to 276,056.40, 414,142.20 and 89,086.80 is: 133,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,056.40 : 414,142.20 = 89,086.80 : x
  2. Step 2: Convert to fraction form
    276,056.40/414,142.20 = 89,086.80/x
  3. Step 3: Cross multiply
    276,056.40x = 414,142.20 × 89,086.80
  4. Step 4: Simplify right side
    276,056.40x = 36,894,603,342.96
  5. Step 5: Solve for x
    x = 36,894,603,342.96/276,056.40
  6. Step 6: Final answer
    x = 133,648.79

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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.