Home / 143,324.95-197,784.08-82,069.15

Finding the Fourth Proportional to 143,324.95, 197,784.08 and 82,069.15

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Solution

The fourth proportional to 143,324.95, 197,784.08 and 82,069.15 is: 113,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,324.95 : 197,784.08 = 82,069.15 : x
  2. Step 2: Convert to fraction form
    143,324.95/197,784.08 = 82,069.15/x
  3. Step 3: Cross multiply
    143,324.95x = 197,784.08 × 82,069.15
  4. Step 4: Simplify right side
    143,324.95x = 16,231,970,918.79
  5. Step 5: Solve for x
    x = 16,231,970,918.79/143,324.95
  6. Step 6: Final answer
    x = 113,252.93

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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.