Home / 148,398.04-204,788.82-80,415.28

Finding the Fourth Proportional to 148,398.04, 204,788.82 and 80,415.28

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Solution

The fourth proportional to 148,398.04, 204,788.82 and 80,415.28 is: 110,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,398.04 : 204,788.82 = 80,415.28 : x
  2. Step 2: Convert to fraction form
    148,398.04/204,788.82 = 80,415.28/x
  3. Step 3: Cross multiply
    148,398.04x = 204,788.82 × 80,415.28
  4. Step 4: Simplify right side
    148,398.04x = 16,468,150,301.17
  5. Step 5: Solve for x
    x = 16,468,150,301.17/148,398.04
  6. Step 6: Final answer
    x = 110,972.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.