Home / 126,749.94-190,059.30-67,569.72

Finding the Fourth Proportional to 126,749.94, 190,059.30 and 67,569.72

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Solution

The fourth proportional to 126,749.94, 190,059.30 and 67,569.72 is: 101,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.94 : 190,059.30 = 67,569.72 : x
  2. Step 2: Convert to fraction form
    126,749.94/190,059.30 = 67,569.72/x
  3. Step 3: Cross multiply
    126,749.94x = 190,059.30 × 67,569.72
  4. Step 4: Simplify right side
    126,749.94x = 12,842,253,684.40
  5. Step 5: Solve for x
    x = 12,842,253,684.40/126,749.94
  6. Step 6: Final answer
    x = 101,319.60

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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.