Home / 88,393.21-132,435.10-60,221.81

Finding the Fourth Proportional to 88,393.21, 132,435.10 and 60,221.81

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Solution

The fourth proportional to 88,393.21, 132,435.10 and 60,221.81 is: 90,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,393.21 : 132,435.10 = 60,221.81 : x
  2. Step 2: Convert to fraction form
    88,393.21/132,435.10 = 60,221.81/x
  3. Step 3: Cross multiply
    88,393.21x = 132,435.10 × 60,221.81
  4. Step 4: Simplify right side
    88,393.21x = 7,975,481,835.90
  5. Step 5: Solve for x
    x = 7,975,481,835.90/88,393.21
  6. Step 6: Final answer
    x = 90,227.32

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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.