Home / 172,680.03-238,315.50-101,055.78

Finding the Fourth Proportional to 172,680.03, 238,315.50 and 101,055.78

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Solution

The fourth proportional to 172,680.03, 238,315.50 and 101,055.78 is: 139,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,680.03 : 238,315.50 = 101,055.78 : x
  2. Step 2: Convert to fraction form
    172,680.03/238,315.50 = 101,055.78/x
  3. Step 3: Cross multiply
    172,680.03x = 238,315.50 × 101,055.78
  4. Step 4: Simplify right side
    172,680.03x = 24,083,158,738.59
  5. Step 5: Solve for x
    x = 24,083,158,738.59/172,680.03
  6. Step 6: Final answer
    x = 139,466.96

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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.