Home / 148,856.82-205,421.52-80,873.22

Finding the Fourth Proportional to 148,856.82, 205,421.52 and 80,873.22

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Solution

The fourth proportional to 148,856.82, 205,421.52 and 80,873.22 is: 111,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,856.82 : 205,421.52 = 80,873.22 : x
  2. Step 2: Convert to fraction form
    148,856.82/205,421.52 = 80,873.22/x
  3. Step 3: Cross multiply
    148,856.82x = 205,421.52 × 80,873.22
  4. Step 4: Simplify right side
    148,856.82x = 16,613,099,779.69
  5. Step 5: Solve for x
    x = 16,613,099,779.69/148,856.82
  6. Step 6: Final answer
    x = 111,604.56

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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.