Home / 132,738.48-199,136.86-97,571.52

Finding the Fourth Proportional to 132,738.48, 199,136.86 and 97,571.52

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Solution

The fourth proportional to 132,738.48, 199,136.86 and 97,571.52 is: 146,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.48 : 199,136.86 = 97,571.52 : x
  2. Step 2: Convert to fraction form
    132,738.48/199,136.86 = 97,571.52/x
  3. Step 3: Cross multiply
    132,738.48x = 199,136.86 × 97,571.52
  4. Step 4: Simplify right side
    132,738.48x = 19,430,084,634.69
  5. Step 5: Solve for x
    x = 19,430,084,634.69/132,738.48
  6. Step 6: Final answer
    x = 146,378.69

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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.