Home / 142,965.66-197,288.78-82,534.26

Finding the Fourth Proportional to 142,965.66, 197,288.78 and 82,534.26

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Solution

The fourth proportional to 142,965.66, 197,288.78 and 82,534.26 is: 113,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965.66 : 197,288.78 = 82,534.26 : x
  2. Step 2: Convert to fraction form
    142,965.66/197,288.78 = 82,534.26/x
  3. Step 3: Cross multiply
    142,965.66x = 197,288.78 × 82,534.26
  4. Step 4: Simplify right side
    142,965.66x = 16,283,083,463.60
  5. Step 5: Solve for x
    x = 16,283,083,463.60/142,965.66
  6. Step 6: Final answer
    x = 113,895.07

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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.