Home / 176,120.82-243,046.73-99,638.39

Finding the Fourth Proportional to 176,120.82, 243,046.73 and 99,638.39

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Solution

The fourth proportional to 176,120.82, 243,046.73 and 99,638.39 is: 137,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,120.82 : 243,046.73 = 99,638.39 : x
  2. Step 2: Convert to fraction form
    176,120.82/243,046.73 = 99,638.39/x
  3. Step 3: Cross multiply
    176,120.82x = 243,046.73 × 99,638.39
  4. Step 4: Simplify right side
    176,120.82x = 24,216,783,158.54
  5. Step 5: Solve for x
    x = 24,216,783,158.54/176,120.82
  6. Step 6: Final answer
    x = 137,500.97

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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.