Home / 126,867.16-190,303.82-42,628.53

Finding the Fourth Proportional to 126,867.16, 190,303.82 and 42,628.53

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Solution

The fourth proportional to 126,867.16, 190,303.82 and 42,628.53 is: 63,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867.16 : 190,303.82 = 42,628.53 : x
  2. Step 2: Convert to fraction form
    126,867.16/190,303.82 = 42,628.53/x
  3. Step 3: Cross multiply
    126,867.16x = 190,303.82 × 42,628.53
  4. Step 4: Simplify right side
    126,867.16x = 8,112,372,099.98
  5. Step 5: Solve for x
    x = 8,112,372,099.98/126,867.16
  6. Step 6: Final answer
    x = 63,943.83

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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.