Home / 143,266.28-197,695.89-82,840.83

Finding the Fourth Proportional to 143,266.28, 197,695.89 and 82,840.83

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Solution

The fourth proportional to 143,266.28, 197,695.89 and 82,840.83 is: 114,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.28 : 197,695.89 = 82,840.83 : x
  2. Step 2: Convert to fraction form
    143,266.28/197,695.89 = 82,840.83/x
  3. Step 3: Cross multiply
    143,266.28x = 197,695.89 × 82,840.83
  4. Step 4: Simplify right side
    143,266.28x = 16,377,291,615.19
  5. Step 5: Solve for x
    x = 16,377,291,615.19/143,266.28
  6. Step 6: Final answer
    x = 114,313.66

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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.