Home / 143,514.44-198,032.10-79,847.72

Finding the Fourth Proportional to 143,514.44, 198,032.10 and 79,847.72

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Solution

The fourth proportional to 143,514.44, 198,032.10 and 79,847.72 is: 110,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514.44 : 198,032.10 = 79,847.72 : x
  2. Step 2: Convert to fraction form
    143,514.44/198,032.10 = 79,847.72/x
  3. Step 3: Cross multiply
    143,514.44x = 198,032.10 × 79,847.72
  4. Step 4: Simplify right side
    143,514.44x = 15,812,411,671.81
  5. Step 5: Solve for x
    x = 15,812,411,671.81/143,514.44
  6. Step 6: Final answer
    x = 110,179.94

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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.