Home / 126,945.02-190,464.92-67,747.79

Finding the Fourth Proportional to 126,945.02, 190,464.92 and 67,747.79

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Solution

The fourth proportional to 126,945.02, 190,464.92 and 67,747.79 is: 101,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,945.02 : 190,464.92 = 67,747.79 : x
  2. Step 2: Convert to fraction form
    126,945.02/190,464.92 = 67,747.79/x
  3. Step 3: Cross multiply
    126,945.02x = 190,464.92 × 67,747.79
  4. Step 4: Simplify right side
    126,945.02x = 12,903,577,402.53
  5. Step 5: Solve for x
    x = 12,903,577,402.53/126,945.02
  6. Step 6: Final answer
    x = 101,646.98

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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.