Home / 143,171.16-197,605.23-82,744.35

Finding the Fourth Proportional to 143,171.16, 197,605.23 and 82,744.35

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Solution

The fourth proportional to 143,171.16, 197,605.23 and 82,744.35 is: 114,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,171.16 : 197,605.23 = 82,744.35 : x
  2. Step 2: Convert to fraction form
    143,171.16/197,605.23 = 82,744.35/x
  3. Step 3: Cross multiply
    143,171.16x = 197,605.23 × 82,744.35
  4. Step 4: Simplify right side
    143,171.16x = 16,350,716,312.95
  5. Step 5: Solve for x
    x = 16,350,716,312.95/143,171.16
  6. Step 6: Final answer
    x = 114,203.98

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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.