Home / 131,237.97-196,888.31-42,491.57

Finding the Fourth Proportional to 131,237.97, 196,888.31 and 42,491.57

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Solution

The fourth proportional to 131,237.97, 196,888.31 and 42,491.57 is: 63,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.97 : 196,888.31 = 42,491.57 : x
  2. Step 2: Convert to fraction form
    131,237.97/196,888.31 = 42,491.57/x
  3. Step 3: Cross multiply
    131,237.97x = 196,888.31 × 42,491.57
  4. Step 4: Simplify right side
    131,237.97x = 8,366,092,209.65
  5. Step 5: Solve for x
    x = 8,366,092,209.65/131,237.97
  6. Step 6: Final answer
    x = 63,747.50

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1.5x scale

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.