Home / 113,906.78-170,894.83-53,981.16

Finding the Fourth Proportional to 113,906.78, 170,894.83 and 53,981.16

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Solution

The fourth proportional to 113,906.78, 170,894.83 and 53,981.16 is: 80,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,906.78 : 170,894.83 = 53,981.16 : x
  2. Step 2: Convert to fraction form
    113,906.78/170,894.83 = 53,981.16/x
  3. Step 3: Cross multiply
    113,906.78x = 170,894.83 × 53,981.16
  4. Step 4: Simplify right side
    113,906.78x = 9,225,101,161.40
  5. Step 5: Solve for x
    x = 9,225,101,161.40/113,906.78
  6. Step 6: Final answer
    x = 80,988.17

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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.