Home / 222,976.18-307,697.29-127,489.13

Finding the Fourth Proportional to 222,976.18, 307,697.29 and 127,489.13

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Solution

The fourth proportional to 222,976.18, 307,697.29 and 127,489.13 is: 175,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,976.18 : 307,697.29 = 127,489.13 : x
  2. Step 2: Convert to fraction form
    222,976.18/307,697.29 = 127,489.13/x
  3. Step 3: Cross multiply
    222,976.18x = 307,697.29 × 127,489.13
  4. Step 4: Simplify right side
    222,976.18x = 39,228,059,805.46
  5. Step 5: Solve for x
    x = 39,228,059,805.46/222,976.18
  6. Step 6: Final answer
    x = 175,929.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.