Home / 113,286.40-169,929.60-39,414.40

Finding the Fourth Proportional to 113,286.40, 169,929.60 and 39,414.40

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Solution

The fourth proportional to 113,286.40, 169,929.60 and 39,414.40 is: 59,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,286.40 : 169,929.60 = 39,414.40 : x
  2. Step 2: Convert to fraction form
    113,286.40/169,929.60 = 39,414.40/x
  3. Step 3: Cross multiply
    113,286.40x = 169,929.60 × 39,414.40
  4. Step 4: Simplify right side
    113,286.40x = 6,697,673,226.24
  5. Step 5: Solve for x
    x = 6,697,673,226.24/113,286.40
  6. Step 6: Final answer
    x = 59,121.60

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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.