Home / 113,969.23-171,003.96-60,648.65

Finding the Fourth Proportional to 113,969.23, 171,003.96 and 60,648.65

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Solution

The fourth proportional to 113,969.23, 171,003.96 and 60,648.65 is: 90,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,969.23 : 171,003.96 = 60,648.65 : x
  2. Step 2: Convert to fraction form
    113,969.23/171,003.96 = 60,648.65/x
  3. Step 3: Cross multiply
    113,969.23x = 171,003.96 × 60,648.65
  4. Step 4: Simplify right side
    113,969.23x = 10,371,159,104.90
  5. Step 5: Solve for x
    x = 10,371,159,104.90/113,969.23
  6. Step 6: Final answer
    x = 90,999.64

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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.