Home / 143,694.18-198,285.27-83,245.50

Finding the Fourth Proportional to 143,694.18, 198,285.27 and 83,245.50

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Solution

The fourth proportional to 143,694.18, 198,285.27 and 83,245.50 is: 114,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,694.18 : 198,285.27 = 83,245.50 : x
  2. Step 2: Convert to fraction form
    143,694.18/198,285.27 = 83,245.50/x
  3. Step 3: Cross multiply
    143,694.18x = 198,285.27 × 83,245.50
  4. Step 4: Simplify right side
    143,694.18x = 16,506,356,443.79
  5. Step 5: Solve for x
    x = 16,506,356,443.79/143,694.18
  6. Step 6: Final answer
    x = 114,871.43

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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.