Home / 144,680.16-199,654.05-80,146.80

Finding the Fourth Proportional to 144,680.16, 199,654.05 and 80,146.80

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Solution

The fourth proportional to 144,680.16, 199,654.05 and 80,146.80 is: 110,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,680.16 : 199,654.05 = 80,146.80 : x
  2. Step 2: Convert to fraction form
    144,680.16/199,654.05 = 80,146.80/x
  3. Step 3: Cross multiply
    144,680.16x = 199,654.05 × 80,146.80
  4. Step 4: Simplify right side
    144,680.16x = 16,001,633,214.54
  5. Step 5: Solve for x
    x = 16,001,633,214.54/144,680.16
  6. Step 6: Final answer
    x = 110,600.05

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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.