Home / 132,131.44-198,146.40-47,866.78

Finding the Fourth Proportional to 132,131.44, 198,146.40 and 47,866.78

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Solution

The fourth proportional to 132,131.44, 198,146.40 and 47,866.78 is: 71,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.44 : 198,146.40 = 47,866.78 : x
  2. Step 2: Convert to fraction form
    132,131.44/198,146.40 = 47,866.78/x
  3. Step 3: Cross multiply
    132,131.44x = 198,146.40 × 47,866.78
  4. Step 4: Simplify right side
    132,131.44x = 9,484,630,136.59
  5. Step 5: Solve for x
    x = 9,484,630,136.59/132,131.44
  6. Step 6: Final answer
    x = 71,781.78

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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.