Home / 154,217.24-231,327.48-54,358.80

Finding the Fourth Proportional to 154,217.24, 231,327.48 and 54,358.80

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Solution

The fourth proportional to 154,217.24, 231,327.48 and 54,358.80 is: 81,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.24 : 231,327.48 = 54,358.80 : x
  2. Step 2: Convert to fraction form
    154,217.24/231,327.48 = 54,358.80/x
  3. Step 3: Cross multiply
    154,217.24x = 231,327.48 × 54,358.80
  4. Step 4: Simplify right side
    154,217.24x = 12,574,684,219.82
  5. Step 5: Solve for x
    x = 12,574,684,219.82/154,217.24
  6. Step 6: Final answer
    x = 81,538.77

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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.