Home / 245,623.52-368,435.40-68,175.20

Finding the Fourth Proportional to 245,623.52, 368,435.40 and 68,175.20

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Solution

The fourth proportional to 245,623.52, 368,435.40 and 68,175.20 is: 102,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,623.52 : 368,435.40 = 68,175.20 : x
  2. Step 2: Convert to fraction form
    245,623.52/368,435.40 = 68,175.20/x
  3. Step 3: Cross multiply
    245,623.52x = 368,435.40 × 68,175.20
  4. Step 4: Simplify right side
    245,623.52x = 25,118,157,082.08
  5. Step 5: Solve for x
    x = 25,118,157,082.08/245,623.52
  6. Step 6: Final answer
    x = 102,262.83

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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.