Home / 143,722.22-198,418.88-95,389.70

Finding the Fourth Proportional to 143,722.22, 198,418.88 and 95,389.70

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Solution

The fourth proportional to 143,722.22, 198,418.88 and 95,389.70 is: 131,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,722.22 : 198,418.88 = 95,389.70 : x
  2. Step 2: Convert to fraction form
    143,722.22/198,418.88 = 95,389.70/x
  3. Step 3: Cross multiply
    143,722.22x = 198,418.88 × 95,389.70
  4. Step 4: Simplify right side
    143,722.22x = 18,927,116,445.44
  5. Step 5: Solve for x
    x = 18,927,116,445.44/143,722.22
  6. Step 6: Final answer
    x = 131,692.34

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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.