Home / 109,616.40-164,424.60-93,286.80

Finding the Fourth Proportional to 109,616.40, 164,424.60 and 93,286.80

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Solution

The fourth proportional to 109,616.40, 164,424.60 and 93,286.80 is: 139,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,616.40 : 164,424.60 = 93,286.80 : x
  2. Step 2: Convert to fraction form
    109,616.40/164,424.60 = 93,286.80/x
  3. Step 3: Cross multiply
    109,616.40x = 164,424.60 × 93,286.80
  4. Step 4: Simplify right side
    109,616.40x = 15,338,644,775.28
  5. Step 5: Solve for x
    x = 15,338,644,775.28/109,616.40
  6. Step 6: Final answer
    x = 139,930.20

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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.