Home / 137,640.23-206,320.92-93,271.46

Finding the Fourth Proportional to 137,640.23, 206,320.92 and 93,271.46

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Solution

The fourth proportional to 137,640.23, 206,320.92 and 93,271.46 is: 139,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,640.23 : 206,320.92 = 93,271.46 : x
  2. Step 2: Convert to fraction form
    137,640.23/206,320.92 = 93,271.46/x
  3. Step 3: Cross multiply
    137,640.23x = 206,320.92 × 93,271.46
  4. Step 4: Simplify right side
    137,640.23x = 19,243,853,436.94
  5. Step 5: Solve for x
    x = 19,243,853,436.94/137,640.23
  6. Step 6: Final answer
    x = 139,812.71

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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.