Home / 123,578.20-185,367.30-61,370.20

Finding the Fourth Proportional to 123,578.20, 185,367.30 and 61,370.20

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Solution

The fourth proportional to 123,578.20, 185,367.30 and 61,370.20 is: 92,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,578.20 : 185,367.30 = 61,370.20 : x
  2. Step 2: Convert to fraction form
    123,578.20/185,367.30 = 61,370.20/x
  3. Step 3: Cross multiply
    123,578.20x = 185,367.30 × 61,370.20
  4. Step 4: Simplify right side
    123,578.20x = 11,376,028,274.46
  5. Step 5: Solve for x
    x = 11,376,028,274.46/123,578.20
  6. Step 6: Final answer
    x = 92,055.30

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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.