Home / 131,272.60-196,682.10-61,007.80

Finding the Fourth Proportional to 131,272.60, 196,682.10 and 61,007.80

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Solution

The fourth proportional to 131,272.60, 196,682.10 and 61,007.80 is: 91,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.60 : 196,682.10 = 61,007.80 : x
  2. Step 2: Convert to fraction form
    131,272.60/196,682.10 = 61,007.80/x
  3. Step 3: Cross multiply
    131,272.60x = 196,682.10 × 61,007.80
  4. Step 4: Simplify right side
    131,272.60x = 11,999,142,220.38
  5. Step 5: Solve for x
    x = 11,999,142,220.38/131,272.60
  6. Step 6: Final answer
    x = 91,406.30

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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.