Home / 103,391.23-155,107.60-47,216.25

Finding the Fourth Proportional to 103,391.23, 155,107.60 and 47,216.25

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Solution

The fourth proportional to 103,391.23, 155,107.60 and 47,216.25 is: 70,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.23 : 155,107.60 = 47,216.25 : x
  2. Step 2: Convert to fraction form
    103,391.23/155,107.60 = 47,216.25/x
  3. Step 3: Cross multiply
    103,391.23x = 155,107.60 × 47,216.25
  4. Step 4: Simplify right side
    103,391.23x = 7,323,598,442.96
  5. Step 5: Solve for x
    x = 7,323,598,442.96/103,391.23
  6. Step 6: Final answer
    x = 70,833.85

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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.