Home / 148,750.12-205,269.07-80,764.46

Finding the Fourth Proportional to 148,750.12, 205,269.07 and 80,764.46

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Solution

The fourth proportional to 148,750.12, 205,269.07 and 80,764.46 is: 111,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,750.12 : 205,269.07 = 80,764.46 : x
  2. Step 2: Convert to fraction form
    148,750.12/205,269.07 = 80,764.46/x
  3. Step 3: Cross multiply
    148,750.12x = 205,269.07 × 80,764.46
  4. Step 4: Simplify right side
    148,750.12x = 16,578,444,163.08
  5. Step 5: Solve for x
    x = 16,578,444,163.08/148,750.12
  6. Step 6: Final answer
    x = 111,451.64

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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.