Home / 205,446.66-307,643.82-142,179.18

Finding the Fourth Proportional to 205,446.66, 307,643.82 and 142,179.18

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Solution

The fourth proportional to 205,446.66, 307,643.82 and 142,179.18 is: 212,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,446.66 : 307,643.82 = 142,179.18 : x
  2. Step 2: Convert to fraction form
    205,446.66/307,643.82 = 142,179.18/x
  3. Step 3: Cross multiply
    205,446.66x = 307,643.82 × 142,179.18
  4. Step 4: Simplify right side
    205,446.66x = 43,740,546,059.67
  5. Step 5: Solve for x
    x = 43,740,546,059.67/205,446.66
  6. Step 6: Final answer
    x = 212,904.63

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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.