Home / 222,923.59-307,634.55-127,432.42

Finding the Fourth Proportional to 222,923.59, 307,634.55 and 127,432.42

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Solution

The fourth proportional to 222,923.59, 307,634.55 and 127,432.42 is: 175,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,923.59 : 307,634.55 = 127,432.42 : x
  2. Step 2: Convert to fraction form
    222,923.59/307,634.55 = 127,432.42/x
  3. Step 3: Cross multiply
    222,923.59x = 307,634.55 × 127,432.42
  4. Step 4: Simplify right side
    222,923.59x = 39,202,613,643.94
  5. Step 5: Solve for x
    x = 39,202,613,643.94/222,923.59
  6. Step 6: Final answer
    x = 175,856.73

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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.