Home / 123,495.20-185,243.26-30,000.95

Finding the Fourth Proportional to 123,495.20, 185,243.26 and 30,000.95

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Solution

The fourth proportional to 123,495.20, 185,243.26 and 30,000.95 is: 45,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.20 : 185,243.26 = 30,000.95 : x
  2. Step 2: Convert to fraction form
    123,495.20/185,243.26 = 30,000.95/x
  3. Step 3: Cross multiply
    123,495.20x = 185,243.26 × 30,000.95
  4. Step 4: Simplify right side
    123,495.20x = 5,557,473,781.10
  5. Step 5: Solve for x
    x = 5,557,473,781.10/123,495.20
  6. Step 6: Final answer
    x = 45,001.54

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1.5x scale

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.