Home / 154,215.24-231,324.48-54,356.82

Finding the Fourth Proportional to 154,215.24, 231,324.48 and 54,356.82

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Solution

The fourth proportional to 154,215.24, 231,324.48 and 54,356.82 is: 81,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,215.24 : 231,324.48 = 54,356.82 : x
  2. Step 2: Convert to fraction form
    154,215.24/231,324.48 = 54,356.82/x
  3. Step 3: Cross multiply
    154,215.24x = 231,324.48 × 54,356.82
  4. Step 4: Simplify right side
    154,215.24x = 12,574,063,120.95
  5. Step 5: Solve for x
    x = 12,574,063,120.95/154,215.24
  6. Step 6: Final answer
    x = 81,535.80

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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.