Home / 148,848.88-205,410.60-80,865.30

Finding the Fourth Proportional to 148,848.88, 205,410.60 and 80,865.30

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Solution

The fourth proportional to 148,848.88, 205,410.60 and 80,865.30 is: 111,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.88 : 205,410.60 = 80,865.30 : x
  2. Step 2: Convert to fraction form
    148,848.88/205,410.60 = 80,865.30/x
  3. Step 3: Cross multiply
    148,848.88x = 205,410.60 × 80,865.30
  4. Step 4: Simplify right side
    148,848.88x = 16,610,589,792.18
  5. Step 5: Solve for x
    x = 16,610,589,792.18/148,848.88
  6. Step 6: Final answer
    x = 111,593.65

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1.5x scale

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.