Home / 148,242.84-204,575.16-80,259.80

Finding the Fourth Proportional to 148,242.84, 204,575.16 and 80,259.80

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Solution

The fourth proportional to 148,242.84, 204,575.16 and 80,259.80 is: 110,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,242.84 : 204,575.16 = 80,259.80 : x
  2. Step 2: Convert to fraction form
    148,242.84/204,575.16 = 80,259.80/x
  3. Step 3: Cross multiply
    148,242.84x = 204,575.16 × 80,259.80
  4. Step 4: Simplify right side
    148,242.84x = 16,419,161,426.57
  5. Step 5: Solve for x
    x = 16,419,161,426.57/148,242.84
  6. Step 6: Final answer
    x = 110,758.55

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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.