Home / 102,801.75-154,217.94-31,718.49

Finding the Fourth Proportional to 102,801.75, 154,217.94 and 31,718.49

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Solution

The fourth proportional to 102,801.75, 154,217.94 and 31,718.49 is: 47,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,801.75 : 154,217.94 = 31,718.49 : x
  2. Step 2: Convert to fraction form
    102,801.75/154,217.94 = 31,718.49/x
  3. Step 3: Cross multiply
    102,801.75x = 154,217.94 × 31,718.49
  4. Step 4: Simplify right side
    102,801.75x = 4,891,560,187.71
  5. Step 5: Solve for x
    x = 4,891,560,187.71/102,801.75
  6. Step 6: Final answer
    x = 47,582.46

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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.