Home / 142,903.91-197,193.18-82,494.01

Finding the Fourth Proportional to 142,903.91, 197,193.18 and 82,494.01

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Solution

The fourth proportional to 142,903.91, 197,193.18 and 82,494.01 is: 113,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,903.91 : 197,193.18 = 82,494.01 : x
  2. Step 2: Convert to fraction form
    142,903.91/197,193.18 = 82,494.01/x
  3. Step 3: Cross multiply
    142,903.91x = 197,193.18 × 82,494.01
  4. Step 4: Simplify right side
    142,903.91x = 16,267,256,162.85
  5. Step 5: Solve for x
    x = 16,267,256,162.85/142,903.91
  6. Step 6: Final answer
    x = 113,833.53

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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.