Home / 113,005.04-155,960.78-65,258.33

Finding the Fourth Proportional to 113,005.04, 155,960.78 and 65,258.33

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Solution

The fourth proportional to 113,005.04, 155,960.78 and 65,258.33 is: 90,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.04 : 155,960.78 = 65,258.33 : x
  2. Step 2: Convert to fraction form
    113,005.04/155,960.78 = 65,258.33/x
  3. Step 3: Cross multiply
    113,005.04x = 155,960.78 × 65,258.33
  4. Step 4: Simplify right side
    113,005.04x = 10,177,738,942.20
  5. Step 5: Solve for x
    x = 10,177,738,942.20/113,005.04
  6. Step 6: Final answer
    x = 90,064.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.