Home / 150,611.49-207,822.29-90,167.67

Finding the Fourth Proportional to 150,611.49, 207,822.29 and 90,167.67

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Solution

The fourth proportional to 150,611.49, 207,822.29 and 90,167.67 is: 124,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,611.49 : 207,822.29 = 90,167.67 : x
  2. Step 2: Convert to fraction form
    150,611.49/207,822.29 = 90,167.67/x
  3. Step 3: Cross multiply
    150,611.49x = 207,822.29 × 90,167.67
  4. Step 4: Simplify right side
    150,611.49x = 18,738,851,212.53
  5. Step 5: Solve for x
    x = 18,738,851,212.53/150,611.49
  6. Step 6: Final answer
    x = 124,418.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.