Home / 245,624.54-368,436.78-68,131.55

Finding the Fourth Proportional to 245,624.54, 368,436.78 and 68,131.55

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Solution

The fourth proportional to 245,624.54, 368,436.78 and 68,131.55 is: 102,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.54 : 368,436.78 = 68,131.55 : x
  2. Step 2: Convert to fraction form
    245,624.54/368,436.78 = 68,131.55/x
  3. Step 3: Cross multiply
    245,624.54x = 368,436.78 × 68,131.55
  4. Step 4: Simplify right side
    245,624.54x = 25,102,168,898.41
  5. Step 5: Solve for x
    x = 25,102,168,898.41/245,624.54
  6. Step 6: Final answer
    x = 102,197.32

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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.