Home / 111,721.23-154,176.30-60,734.06

Finding the Fourth Proportional to 111,721.23, 154,176.30 and 60,734.06

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Solution

The fourth proportional to 111,721.23, 154,176.30 and 60,734.06 is: 83,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,721.23 : 154,176.30 = 60,734.06 : x
  2. Step 2: Convert to fraction form
    111,721.23/154,176.30 = 60,734.06/x
  3. Step 3: Cross multiply
    111,721.23x = 154,176.30 × 60,734.06
  4. Step 4: Simplify right side
    111,721.23x = 9,363,751,580.23
  5. Step 5: Solve for x
    x = 9,363,751,580.23/111,721.23
  6. Step 6: Final answer
    x = 83,813.54

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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.