Home / 102,968.10-154,279.35-88,107.30

Finding the Fourth Proportional to 102,968.10, 154,279.35 and 88,107.30

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Solution

The fourth proportional to 102,968.10, 154,279.35 and 88,107.30 is: 132,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,968.10 : 154,279.35 = 88,107.30 : x
  2. Step 2: Convert to fraction form
    102,968.10/154,279.35 = 88,107.30/x
  3. Step 3: Cross multiply
    102,968.10x = 154,279.35 × 88,107.30
  4. Step 4: Simplify right side
    102,968.10x = 13,593,136,974.26
  5. Step 5: Solve for x
    x = 13,593,136,974.26/102,968.10
  6. Step 6: Final answer
    x = 132,013.09

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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.