Home / 123,618.20-185,365.95-39,367.38

Finding the Fourth Proportional to 123,618.20, 185,365.95 and 39,367.38

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Solution

The fourth proportional to 123,618.20, 185,365.95 and 39,367.38 is: 59,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,618.20 : 185,365.95 = 39,367.38 : x
  2. Step 2: Convert to fraction form
    123,618.20/185,365.95 = 39,367.38/x
  3. Step 3: Cross multiply
    123,618.20x = 185,365.95 × 39,367.38
  4. Step 4: Simplify right side
    123,618.20x = 7,297,371,792.71
  5. Step 5: Solve for x
    x = 7,297,371,792.71/123,618.20
  6. Step 6: Final answer
    x = 59,031.53

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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.