Home / 131,220.98-196,862.70-42,474.48

Finding the Fourth Proportional to 131,220.98, 196,862.70 and 42,474.48

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Solution

The fourth proportional to 131,220.98, 196,862.70 and 42,474.48 is: 63,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.98 : 196,862.70 = 42,474.48 : x
  2. Step 2: Convert to fraction form
    131,220.98/196,862.70 = 42,474.48/x
  3. Step 3: Cross multiply
    131,220.98x = 196,862.70 × 42,474.48
  4. Step 4: Simplify right side
    131,220.98x = 8,361,640,813.90
  5. Step 5: Solve for x
    x = 8,361,640,813.90/131,220.98
  6. Step 6: Final answer
    x = 63,721.83

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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.