Home / 148,934.12-205,530.46-80,951.25

Finding the Fourth Proportional to 148,934.12, 205,530.46 and 80,951.25

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Solution

The fourth proportional to 148,934.12, 205,530.46 and 80,951.25 is: 111,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.12 : 205,530.46 = 80,951.25 : x
  2. Step 2: Convert to fraction form
    148,934.12/205,530.46 = 80,951.25/x
  3. Step 3: Cross multiply
    148,934.12x = 205,530.46 × 80,951.25
  4. Step 4: Simplify right side
    148,934.12x = 16,637,947,447.70
  5. Step 5: Solve for x
    x = 16,637,947,447.70/148,934.12
  6. Step 6: Final answer
    x = 111,713.47

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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.