Home / 113,141.58-169,734.24-38,273.90

Finding the Fourth Proportional to 113,141.58, 169,734.24 and 38,273.90

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Solution

The fourth proportional to 113,141.58, 169,734.24 and 38,273.90 is: 57,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,141.58 : 169,734.24 = 38,273.90 : x
  2. Step 2: Convert to fraction form
    113,141.58/169,734.24 = 38,273.90/x
  3. Step 3: Cross multiply
    113,141.58x = 169,734.24 × 38,273.90
  4. Step 4: Simplify right side
    113,141.58x = 6,496,391,328.34
  5. Step 5: Solve for x
    x = 6,496,391,328.34/113,141.58
  6. Step 6: Final answer
    x = 57,418.25

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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.