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Finding the Fourth Proportional to 115,994.77, 173,942.91 and 41,133.76

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Solution

The fourth proportional to 115,994.77, 173,942.91 and 41,133.76 is: 61,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,994.77 : 173,942.91 = 41,133.76 : x
  2. Step 2: Convert to fraction form
    115,994.77/173,942.91 = 41,133.76/x
  3. Step 3: Cross multiply
    115,994.77x = 173,942.91 × 41,133.76
  4. Step 4: Simplify right side
    115,994.77x = 7,154,925,478.78
  5. Step 5: Solve for x
    x = 7,154,925,478.78/115,994.77
  6. Step 6: Final answer
    x = 61,683.17

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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.