Home / 142,768.68-197,045.18-82,328.52

Finding the Fourth Proportional to 142,768.68, 197,045.18 and 82,328.52

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Solution

The fourth proportional to 142,768.68, 197,045.18 and 82,328.52 is: 113,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,768.68 : 197,045.18 = 82,328.52 : x
  2. Step 2: Convert to fraction form
    142,768.68/197,045.18 = 82,328.52/x
  3. Step 3: Cross multiply
    142,768.68x = 197,045.18 × 82,328.52
  4. Step 4: Simplify right side
    142,768.68x = 16,222,438,042.53
  5. Step 5: Solve for x
    x = 16,222,438,042.53/142,768.68
  6. Step 6: Final answer
    x = 113,627.43

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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.