Home / 239,972.88-359,914.86-88,136.76

Finding the Fourth Proportional to 239,972.88, 359,914.86 and 88,136.76

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Solution

The fourth proportional to 239,972.88, 359,914.86 and 88,136.76 is: 132,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,972.88 : 359,914.86 = 88,136.76 : x
  2. Step 2: Convert to fraction form
    239,972.88/359,914.86 = 88,136.76/x
  3. Step 3: Cross multiply
    239,972.88x = 359,914.86 × 88,136.76
  4. Step 4: Simplify right side
    239,972.88x = 31,721,729,636.25
  5. Step 5: Solve for x
    x = 31,721,729,636.25/239,972.88
  6. Step 6: Final answer
    x = 132,188.81

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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.