Home / 144,160.93-198,942.24-80,498.71

Finding the Fourth Proportional to 144,160.93, 198,942.24 and 80,498.71

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Solution

The fourth proportional to 144,160.93, 198,942.24 and 80,498.71 is: 111,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,160.93 : 198,942.24 = 80,498.71 : x
  2. Step 2: Convert to fraction form
    144,160.93/198,942.24 = 80,498.71/x
  3. Step 3: Cross multiply
    144,160.93x = 198,942.24 × 80,498.71
  4. Step 4: Simplify right side
    144,160.93x = 16,014,593,684.51
  5. Step 5: Solve for x
    x = 16,014,593,684.51/144,160.93
  6. Step 6: Final answer
    x = 111,088.31

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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.