Home / 88,932.53-133,379.60-28,147.60

Finding the Fourth Proportional to 88,932.53, 133,379.60 and 28,147.60

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Solution

The fourth proportional to 88,932.53, 133,379.60 and 28,147.60 is: 42,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,932.53 : 133,379.60 = 28,147.60 : x
  2. Step 2: Convert to fraction form
    88,932.53/133,379.60 = 28,147.60/x
  3. Step 3: Cross multiply
    88,932.53x = 133,379.60 × 28,147.60
  4. Step 4: Simplify right side
    88,932.53x = 3,754,315,654.95
  5. Step 5: Solve for x
    x = 3,754,315,654.95/88,932.53
  6. Step 6: Final answer
    x = 42,215.32

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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.