Home / 142,960.02-197,293.77-82,541.72

Finding the Fourth Proportional to 142,960.02, 197,293.77 and 82,541.72

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Solution

The fourth proportional to 142,960.02, 197,293.77 and 82,541.72 is: 113,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,960.02 : 197,293.77 = 82,541.72 : x
  2. Step 2: Convert to fraction form
    142,960.02/197,293.77 = 82,541.72/x
  3. Step 3: Cross multiply
    142,960.02x = 197,293.77 × 82,541.72
  4. Step 4: Simplify right side
    142,960.02x = 16,284,966,134.62
  5. Step 5: Solve for x
    x = 16,284,966,134.62/142,960.02
  6. Step 6: Final answer
    x = 113,912.73

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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.