Home / 131,292.90-196,970.54-42,546.47

Finding the Fourth Proportional to 131,292.90, 196,970.54 and 42,546.47

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Solution

The fourth proportional to 131,292.90, 196,970.54 and 42,546.47 is: 63,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,292.90 : 196,970.54 = 42,546.47 : x
  2. Step 2: Convert to fraction form
    131,292.90/196,970.54 = 42,546.47/x
  3. Step 3: Cross multiply
    131,292.90x = 196,970.54 × 42,546.47
  4. Step 4: Simplify right side
    131,292.90x = 8,380,399,973.41
  5. Step 5: Solve for x
    x = 8,380,399,973.41/131,292.90
  6. Step 6: Final answer
    x = 63,829.80

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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.