Home / 91,092.45-136,605.87-38,506.02

Finding the Fourth Proportional to 91,092.45, 136,605.87 and 38,506.02

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Solution

The fourth proportional to 91,092.45, 136,605.87 and 38,506.02 is: 57,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.45 : 136,605.87 = 38,506.02 : x
  2. Step 2: Convert to fraction form
    91,092.45/136,605.87 = 38,506.02/x
  3. Step 3: Cross multiply
    91,092.45x = 136,605.87 × 38,506.02
  4. Step 4: Simplify right side
    91,092.45x = 5,260,148,362.34
  5. Step 5: Solve for x
    x = 5,260,148,362.34/91,092.45
  6. Step 6: Final answer
    x = 57,745.16

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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.