Home / 123,699.30-185,555.28-34,959.20

Finding the Fourth Proportional to 123,699.30, 185,555.28 and 34,959.20

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Solution

The fourth proportional to 123,699.30, 185,555.28 and 34,959.20 is: 52,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699.30 : 185,555.28 = 34,959.20 : x
  2. Step 2: Convert to fraction form
    123,699.30/185,555.28 = 34,959.20/x
  3. Step 3: Cross multiply
    123,699.30x = 185,555.28 × 34,959.20
  4. Step 4: Simplify right side
    123,699.30x = 6,486,864,144.58
  5. Step 5: Solve for x
    x = 6,486,864,144.58/123,699.30
  6. Step 6: Final answer
    x = 52,440.59

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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.