Home / 143,532.41-198,077.20-79,004.36

Finding the Fourth Proportional to 143,532.41, 198,077.20 and 79,004.36

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Solution

The fourth proportional to 143,532.41, 198,077.20 and 79,004.36 is: 109,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532.41 : 198,077.20 = 79,004.36 : x
  2. Step 2: Convert to fraction form
    143,532.41/198,077.20 = 79,004.36/x
  3. Step 3: Cross multiply
    143,532.41x = 198,077.20 × 79,004.36
  4. Step 4: Simplify right side
    143,532.41x = 15,648,962,714.27
  5. Step 5: Solve for x
    x = 15,648,962,714.27/143,532.41
  6. Step 6: Final answer
    x = 109,027.38

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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.