Home / 203,073.23-304,656.57-68,155.20

Finding the Fourth Proportional to 203,073.23, 304,656.57 and 68,155.20

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Solution

The fourth proportional to 203,073.23, 304,656.57 and 68,155.20 is: 102,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,073.23 : 304,656.57 = 68,155.20 : x
  2. Step 2: Convert to fraction form
    203,073.23/304,656.57 = 68,155.20/x
  3. Step 3: Cross multiply
    203,073.23x = 304,656.57 × 68,155.20
  4. Step 4: Simplify right side
    203,073.23x = 20,763,929,459.66
  5. Step 5: Solve for x
    x = 20,763,929,459.66/203,073.23
  6. Step 6: Final answer
    x = 102,248.48

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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.