Home / 132,048.81-197,974.71-79,445.97

Finding the Fourth Proportional to 132,048.81, 197,974.71 and 79,445.97

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Solution

The fourth proportional to 132,048.81, 197,974.71 and 79,445.97 is: 119,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,048.81 : 197,974.71 = 79,445.97 : x
  2. Step 2: Convert to fraction form
    132,048.81/197,974.71 = 79,445.97/x
  3. Step 3: Cross multiply
    132,048.81x = 197,974.71 × 79,445.97
  4. Step 4: Simplify right side
    132,048.81x = 15,728,292,871.42
  5. Step 5: Solve for x
    x = 15,728,292,871.42/132,048.81
  6. Step 6: Final answer
    x = 119,109.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.