Home / 148,932.93-205,528.82-80,950.05

Finding the Fourth Proportional to 148,932.93, 205,528.82 and 80,950.05

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Solution

The fourth proportional to 148,932.93, 205,528.82 and 80,950.05 is: 111,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,932.93 : 205,528.82 = 80,950.05 : x
  2. Step 2: Convert to fraction form
    148,932.93/205,528.82 = 80,950.05/x
  3. Step 3: Cross multiply
    148,932.93x = 205,528.82 × 80,950.05
  4. Step 4: Simplify right side
    148,932.93x = 16,637,568,621.42
  5. Step 5: Solve for x
    x = 16,637,568,621.42/148,932.93
  6. Step 6: Final answer
    x = 111,711.82

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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.