Home / 91,531.27-137,299.35-29,201.77

Finding the Fourth Proportional to 91,531.27, 137,299.35 and 29,201.77

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Solution

The fourth proportional to 91,531.27, 137,299.35 and 29,201.77 is: 43,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,531.27 : 137,299.35 = 29,201.77 : x
  2. Step 2: Convert to fraction form
    91,531.27/137,299.35 = 29,201.77/x
  3. Step 3: Cross multiply
    91,531.27x = 137,299.35 × 29,201.77
  4. Step 4: Simplify right side
    91,531.27x = 4,009,383,548.67
  5. Step 5: Solve for x
    x = 4,009,383,548.67/91,531.27
  6. Step 6: Final answer
    x = 43,803.43

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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.