Home / 143,622.92-198,207.50-79,959.32

Finding the Fourth Proportional to 143,622.92, 198,207.50 and 79,959.32

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Solution

The fourth proportional to 143,622.92, 198,207.50 and 79,959.32 is: 110,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,622.92 : 198,207.50 = 79,959.32 : x
  2. Step 2: Convert to fraction form
    143,622.92/198,207.50 = 79,959.32/x
  3. Step 3: Cross multiply
    143,622.92x = 198,207.50 × 79,959.32
  4. Step 4: Simplify right side
    143,622.92x = 15,848,536,918.90
  5. Step 5: Solve for x
    x = 15,848,536,918.90/143,622.92
  6. Step 6: Final answer
    x = 110,348.24

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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.