Home / 124,912.47-187,237.49-45,976.35

Finding the Fourth Proportional to 124,912.47, 187,237.49 and 45,976.35

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Solution

The fourth proportional to 124,912.47, 187,237.49 and 45,976.35 is: 68,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.47 : 187,237.49 = 45,976.35 : x
  2. Step 2: Convert to fraction form
    124,912.47/187,237.49 = 45,976.35/x
  3. Step 3: Cross multiply
    124,912.47x = 187,237.49 × 45,976.35
  4. Step 4: Simplify right side
    124,912.47x = 8,608,496,143.48
  5. Step 5: Solve for x
    x = 8,608,496,143.48/124,912.47
  6. Step 6: Final answer
    x = 68,916.23

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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.