Home / 115,990.16-173,935.98-41,129.15

Finding the Fourth Proportional to 115,990.16, 173,935.98 and 41,129.15

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Solution

The fourth proportional to 115,990.16, 173,935.98 and 41,129.15 is: 61,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,990.16 : 173,935.98 = 41,129.15 : x
  2. Step 2: Convert to fraction form
    115,990.16/173,935.98 = 41,129.15/x
  3. Step 3: Cross multiply
    115,990.16x = 173,935.98 × 41,129.15
  4. Step 4: Simplify right side
    115,990.16x = 7,153,838,142.14
  5. Step 5: Solve for x
    x = 7,153,838,142.14/115,990.16
  6. Step 6: Final answer
    x = 61,676.25

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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.