Home / 126,937.60-190,471.56-55,909.96

Finding the Fourth Proportional to 126,937.60, 190,471.56 and 55,909.96

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Solution

The fourth proportional to 126,937.60, 190,471.56 and 55,909.96 is: 83,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.60 : 190,471.56 = 55,909.96 : x
  2. Step 2: Convert to fraction form
    126,937.60/190,471.56 = 55,909.96/x
  3. Step 3: Cross multiply
    126,937.60x = 190,471.56 × 55,909.96
  4. Step 4: Simplify right side
    126,937.60x = 10,649,257,300.74
  5. Step 5: Solve for x
    x = 10,649,257,300.74/126,937.60
  6. Step 6: Final answer
    x = 83,893.64

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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.