Home / 112,105.91-154,618.67-71,823.44

Finding the Fourth Proportional to 112,105.91, 154,618.67 and 71,823.44

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Solution

The fourth proportional to 112,105.91, 154,618.67 and 71,823.44 is: 99,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,105.91 : 154,618.67 = 71,823.44 : x
  2. Step 2: Convert to fraction form
    112,105.91/154,618.67 = 71,823.44/x
  3. Step 3: Cross multiply
    112,105.91x = 154,618.67 × 71,823.44
  4. Step 4: Simplify right side
    112,105.91x = 11,105,245,333.73
  5. Step 5: Solve for x
    x = 11,105,245,333.73/112,105.91
  6. Step 6: Final answer
    x = 99,060.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.