Home / 148,353.60-204,727.73-80,372.30

Finding the Fourth Proportional to 148,353.60, 204,727.73 and 80,372.30

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Solution

The fourth proportional to 148,353.60, 204,727.73 and 80,372.30 is: 110,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,353.60 : 204,727.73 = 80,372.30 : x
  2. Step 2: Convert to fraction form
    148,353.60/204,727.73 = 80,372.30/x
  3. Step 3: Cross multiply
    148,353.60x = 204,727.73 × 80,372.30
  4. Step 4: Simplify right side
    148,353.60x = 16,454,439,246.63
  5. Step 5: Solve for x
    x = 16,454,439,246.63/148,353.60
  6. Step 6: Final answer
    x = 110,913.65

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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.