Home / 102,249.90-153,298.30-68,876.28

Finding the Fourth Proportional to 102,249.90, 153,298.30 and 68,876.28

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Solution

The fourth proportional to 102,249.90, 153,298.30 and 68,876.28 is: 103,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249.90 : 153,298.30 = 68,876.28 : x
  2. Step 2: Convert to fraction form
    102,249.90/153,298.30 = 68,876.28/x
  3. Step 3: Cross multiply
    102,249.90x = 153,298.30 × 68,876.28
  4. Step 4: Simplify right side
    102,249.90x = 10,558,616,634.32
  5. Step 5: Solve for x
    x = 10,558,616,634.32/102,249.90
  6. Step 6: Final answer
    x = 103,262.86

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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.