Home / 144,117.46-198,878.79-80,461.18

Finding the Fourth Proportional to 144,117.46, 198,878.79 and 80,461.18

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Solution

The fourth proportional to 144,117.46, 198,878.79 and 80,461.18 is: 111,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,117.46 : 198,878.79 = 80,461.18 : x
  2. Step 2: Convert to fraction form
    144,117.46/198,878.79 = 80,461.18/x
  3. Step 3: Cross multiply
    144,117.46x = 198,878.79 × 80,461.18
  4. Step 4: Simplify right side
    144,117.46x = 16,002,022,120.37
  5. Step 5: Solve for x
    x = 16,002,022,120.37/144,117.46
  6. Step 6: Final answer
    x = 111,034.58

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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.