Home / 143,246.16-197,664.52-82,807.20

Finding the Fourth Proportional to 143,246.16, 197,664.52 and 82,807.20

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Solution

The fourth proportional to 143,246.16, 197,664.52 and 82,807.20 is: 114,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,246.16 : 197,664.52 = 82,807.20 : x
  2. Step 2: Convert to fraction form
    143,246.16/197,664.52 = 82,807.20/x
  3. Step 3: Cross multiply
    143,246.16x = 197,664.52 × 82,807.20
  4. Step 4: Simplify right side
    143,246.16x = 16,368,045,440.54
  5. Step 5: Solve for x
    x = 16,368,045,440.54/143,246.16
  6. Step 6: Final answer
    x = 114,265.16

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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.