Home / 148,288.51-204,637.83-80,305.28

Finding the Fourth Proportional to 148,288.51, 204,637.83 and 80,305.28

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Solution

The fourth proportional to 148,288.51, 204,637.83 and 80,305.28 is: 110,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.51 : 204,637.83 = 80,305.28 : x
  2. Step 2: Convert to fraction form
    148,288.51/204,637.83 = 80,305.28/x
  3. Step 3: Cross multiply
    148,288.51x = 204,637.83 × 80,305.28
  4. Step 4: Simplify right side
    148,288.51x = 16,433,497,213.55
  5. Step 5: Solve for x
    x = 16,433,497,213.55/148,288.51
  6. Step 6: Final answer
    x = 110,821.11

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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.