Home / 103,296.10-154,725.45-92,215.30

Finding the Fourth Proportional to 103,296.10, 154,725.45 and 92,215.30

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Solution

The fourth proportional to 103,296.10, 154,725.45 and 92,215.30 is: 138,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,296.10 : 154,725.45 = 92,215.30 : x
  2. Step 2: Convert to fraction form
    103,296.10/154,725.45 = 92,215.30/x
  3. Step 3: Cross multiply
    103,296.10x = 154,725.45 × 92,215.30
  4. Step 4: Simplify right side
    103,296.10x = 14,268,053,789.39
  5. Step 5: Solve for x
    x = 14,268,053,789.39/103,296.10
  6. Step 6: Final answer
    x = 138,127.71

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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.