Home / 154,409.60-231,614.40-54,682.40

Finding the Fourth Proportional to 154,409.60, 231,614.40 and 54,682.40

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Solution

The fourth proportional to 154,409.60, 231,614.40 and 54,682.40 is: 82,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.60 : 231,614.40 = 54,682.40 : x
  2. Step 2: Convert to fraction form
    154,409.60/231,614.40 = 54,682.40/x
  3. Step 3: Cross multiply
    154,409.60x = 231,614.40 × 54,682.40
  4. Step 4: Simplify right side
    154,409.60x = 12,665,231,266.56
  5. Step 5: Solve for x
    x = 12,665,231,266.56/154,409.60
  6. Step 6: Final answer
    x = 82,023.60

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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.