Home / 144,019.66-198,747.23-80,357.46

Finding the Fourth Proportional to 144,019.66, 198,747.23 and 80,357.46

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Solution

The fourth proportional to 144,019.66, 198,747.23 and 80,357.46 is: 110,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,019.66 : 198,747.23 = 80,357.46 : x
  2. Step 2: Convert to fraction form
    144,019.66/198,747.23 = 80,357.46/x
  3. Step 3: Cross multiply
    144,019.66x = 198,747.23 × 80,357.46
  4. Step 4: Simplify right side
    144,019.66x = 15,970,822,584.84
  5. Step 5: Solve for x
    x = 15,970,822,584.84/144,019.66
  6. Step 6: Final answer
    x = 110,893.35

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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.