Home / 131,394.57-181,324.67-74,805.94

Finding the Fourth Proportional to 131,394.57, 181,324.67 and 74,805.94

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Solution

The fourth proportional to 131,394.57, 181,324.67 and 74,805.94 is: 103,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394.57 : 181,324.67 = 74,805.94 : x
  2. Step 2: Convert to fraction form
    131,394.57/181,324.67 = 74,805.94/x
  3. Step 3: Cross multiply
    131,394.57x = 181,324.67 × 74,805.94
  4. Step 4: Simplify right side
    131,394.57x = 13,564,162,384.54
  5. Step 5: Solve for x
    x = 13,564,162,384.54/131,394.57
  6. Step 6: Final answer
    x = 103,232.29

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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.