Home / 222,185.07-306,607.79-126,722.52

Finding the Fourth Proportional to 222,185.07, 306,607.79 and 126,722.52

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Solution

The fourth proportional to 222,185.07, 306,607.79 and 126,722.52 is: 174,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,185.07 : 306,607.79 = 126,722.52 : x
  2. Step 2: Convert to fraction form
    222,185.07/306,607.79 = 126,722.52/x
  3. Step 3: Cross multiply
    222,185.07x = 306,607.79 × 126,722.52
  4. Step 4: Simplify right side
    222,185.07x = 38,854,112,117.24
  5. Step 5: Solve for x
    x = 38,854,112,117.24/222,185.07
  6. Step 6: Final answer
    x = 174,872.74

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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.