Home / 115,487.06-172,163.06-113,667.15

Finding the Fourth Proportional to 115,487.06, 172,163.06 and 113,667.15

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Solution

The fourth proportional to 115,487.06, 172,163.06 and 113,667.15 is: 169,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487.06 : 172,163.06 = 113,667.15 : x
  2. Step 2: Convert to fraction form
    115,487.06/172,163.06 = 113,667.15/x
  3. Step 3: Cross multiply
    115,487.06x = 172,163.06 × 113,667.15
  4. Step 4: Simplify right side
    115,487.06x = 19,569,284,365.48
  5. Step 5: Solve for x
    x = 19,569,284,365.48/115,487.06
  6. Step 6: Final answer
    x = 169,450.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.