Home / 126,926.12-190,255.20-42,606.32

Finding the Fourth Proportional to 126,926.12, 190,255.20 and 42,606.32

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Solution

The fourth proportional to 126,926.12, 190,255.20 and 42,606.32 is: 63,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,926.12 : 190,255.20 = 42,606.32 : x
  2. Step 2: Convert to fraction form
    126,926.12/190,255.20 = 42,606.32/x
  3. Step 3: Cross multiply
    126,926.12x = 190,255.20 × 42,606.32
  4. Step 4: Simplify right side
    126,926.12x = 8,106,073,932.86
  5. Step 5: Solve for x
    x = 8,106,073,932.86/126,926.12
  6. Step 6: Final answer
    x = 63,864.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.