Home / 222,256.36-306,710.62-126,764.65

Finding the Fourth Proportional to 222,256.36, 306,710.62 and 126,764.65

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Solution

The fourth proportional to 222,256.36, 306,710.62 and 126,764.65 is: 174,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,256.36 : 306,710.62 = 126,764.65 : x
  2. Step 2: Convert to fraction form
    222,256.36/306,710.62 = 126,764.65/x
  3. Step 3: Cross multiply
    222,256.36x = 306,710.62 × 126,764.65
  4. Step 4: Simplify right side
    222,256.36x = 38,880,064,395.58
  5. Step 5: Solve for x
    x = 38,880,064,395.58/222,256.36
  6. Step 6: Final answer
    x = 174,933.42

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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.