Home / 123,742.62-185,650.74-39,508.20

Finding the Fourth Proportional to 123,742.62, 185,650.74 and 39,508.20

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Solution

The fourth proportional to 123,742.62, 185,650.74 and 39,508.20 is: 59,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,742.62 : 185,650.74 = 39,508.20 : x
  2. Step 2: Convert to fraction form
    123,742.62/185,650.74 = 39,508.20/x
  3. Step 3: Cross multiply
    123,742.62x = 185,650.74 × 39,508.20
  4. Step 4: Simplify right side
    123,742.62x = 7,334,726,566.07
  5. Step 5: Solve for x
    x = 7,334,726,566.07/123,742.62
  6. Step 6: Final answer
    x = 59,274.05

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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.