Home / 245,624.16-368,436.24-68,131.20

Finding the Fourth Proportional to 245,624.16, 368,436.24 and 68,131.20

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Solution

The fourth proportional to 245,624.16, 368,436.24 and 68,131.20 is: 102,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.16 : 368,436.24 = 68,131.20 : x
  2. Step 2: Convert to fraction form
    245,624.16/368,436.24 = 68,131.20/x
  3. Step 3: Cross multiply
    245,624.16x = 368,436.24 × 68,131.20
  4. Step 4: Simplify right side
    245,624.16x = 25,102,003,154.69
  5. Step 5: Solve for x
    x = 25,102,003,154.69/245,624.16
  6. Step 6: Final answer
    x = 102,196.80

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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.