Home / 143,749.50-198,376.23-83,324.46

Finding the Fourth Proportional to 143,749.50, 198,376.23 and 83,324.46

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Solution

The fourth proportional to 143,749.50, 198,376.23 and 83,324.46 is: 114,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,749.50 : 198,376.23 = 83,324.46 : x
  2. Step 2: Convert to fraction form
    143,749.50/198,376.23 = 83,324.46/x
  3. Step 3: Cross multiply
    143,749.50x = 198,376.23 × 83,324.46
  4. Step 4: Simplify right side
    143,749.50x = 16,529,592,241.59
  5. Step 5: Solve for x
    x = 16,529,592,241.59/143,749.50
  6. Step 6: Final answer
    x = 114,988.87

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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.