Home / 132,276.81-198,352.71-51,261.84

Finding the Fourth Proportional to 132,276.81, 198,352.71 and 51,261.84

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Solution

The fourth proportional to 132,276.81, 198,352.71 and 51,261.84 is: 76,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,276.81 : 198,352.71 = 51,261.84 : x
  2. Step 2: Convert to fraction form
    132,276.81/198,352.71 = 51,261.84/x
  3. Step 3: Cross multiply
    132,276.81x = 198,352.71 × 51,261.84
  4. Step 4: Simplify right side
    132,276.81x = 10,167,924,883.59
  5. Step 5: Solve for x
    x = 10,167,924,883.59/132,276.81
  6. Step 6: Final answer
    x = 76,868.54

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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.