Home / 102,822.30-154,262.97-42,839.10

Finding the Fourth Proportional to 102,822.30, 154,262.97 and 42,839.10

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Solution

The fourth proportional to 102,822.30, 154,262.97 and 42,839.10 is: 64,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.30 : 154,262.97 = 42,839.10 : x
  2. Step 2: Convert to fraction form
    102,822.30/154,262.97 = 42,839.10/x
  3. Step 3: Cross multiply
    102,822.30x = 154,262.97 × 42,839.10
  4. Step 4: Simplify right side
    102,822.30x = 6,608,486,798.13
  5. Step 5: Solve for x
    x = 6,608,486,798.13/102,822.30
  6. Step 6: Final answer
    x = 64,270.95

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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.