Home / 126,789.77-190,220.21-50,941.58

Finding the Fourth Proportional to 126,789.77, 190,220.21 and 50,941.58

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Solution

The fourth proportional to 126,789.77, 190,220.21 and 50,941.58 is: 76,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.77 : 190,220.21 = 50,941.58 : x
  2. Step 2: Convert to fraction form
    126,789.77/190,220.21 = 50,941.58/x
  3. Step 3: Cross multiply
    126,789.77x = 190,220.21 × 50,941.58
  4. Step 4: Simplify right side
    126,789.77x = 9,690,117,030.55
  5. Step 5: Solve for x
    x = 9,690,117,030.55/126,789.77
  6. Step 6: Final answer
    x = 76,426.65

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1.5x scale

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.