Home / 126,854.76-190,267.56-42,611.52

Finding the Fourth Proportional to 126,854.76, 190,267.56 and 42,611.52

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Solution

The fourth proportional to 126,854.76, 190,267.56 and 42,611.52 is: 63,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.76 : 190,267.56 = 42,611.52 : x
  2. Step 2: Convert to fraction form
    126,854.76/190,267.56 = 42,611.52/x
  3. Step 3: Cross multiply
    126,854.76x = 190,267.56 × 42,611.52
  4. Step 4: Simplify right side
    126,854.76x = 8,107,589,938.29
  5. Step 5: Solve for x
    x = 8,107,589,938.29/126,854.76
  6. Step 6: Final answer
    x = 63,912.38

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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.