Home / 126,902.64-190,216.98-55,761.96

Finding the Fourth Proportional to 126,902.64, 190,216.98 and 55,761.96

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Solution

The fourth proportional to 126,902.64, 190,216.98 and 55,761.96 is: 83,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.64 : 190,216.98 = 55,761.96 : x
  2. Step 2: Convert to fraction form
    126,902.64/190,216.98 = 55,761.96/x
  3. Step 3: Cross multiply
    126,902.64x = 190,216.98 × 55,761.96
  4. Step 4: Simplify right side
    126,902.64x = 10,606,871,630.08
  5. Step 5: Solve for x
    x = 10,606,871,630.08/126,902.64
  6. Step 6: Final answer
    x = 83,582.75

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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.