Home / 103,239-154,753.92-69,962.44

Finding the Fourth Proportional to 103,239, 154,753.92 and 69,962.44

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Solution

The fourth proportional to 103,239, 154,753.92 and 69,962.44 is: 104,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239 : 154,753.92 = 69,962.44 : x
  2. Step 2: Convert to fraction form
    103,239/154,753.92 = 69,962.44/x
  3. Step 3: Cross multiply
    103,239x = 154,753.92 × 69,962.44
  4. Step 4: Simplify right side
    103,239x = 10,826,961,842.76
  5. Step 5: Solve for x
    x = 10,826,961,842.76/103,239
  6. Step 6: Final answer
    x = 104,872.79

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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.