Home / 222,971.91-307,701.45-127,480.61

Finding the Fourth Proportional to 222,971.91, 307,701.45 and 127,480.61

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Solution

The fourth proportional to 222,971.91, 307,701.45 and 127,480.61 is: 175,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,971.91 : 307,701.45 = 127,480.61 : x
  2. Step 2: Convert to fraction form
    222,971.91/307,701.45 = 127,480.61/x
  3. Step 3: Cross multiply
    222,971.91x = 307,701.45 × 127,480.61
  4. Step 4: Simplify right side
    222,971.91x = 39,225,966,527.33
  5. Step 5: Solve for x
    x = 39,225,966,527.33/222,971.91
  6. Step 6: Final answer
    x = 175,923.36

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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.