Home / 172,926.18-238,728.33-122,745.06

Finding the Fourth Proportional to 172,926.18, 238,728.33 and 122,745.06

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Solution

The fourth proportional to 172,926.18, 238,728.33 and 122,745.06 is: 169,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,926.18 : 238,728.33 = 122,745.06 : x
  2. Step 2: Convert to fraction form
    172,926.18/238,728.33 = 122,745.06/x
  3. Step 3: Cross multiply
    172,926.18x = 238,728.33 × 122,745.06
  4. Step 4: Simplify right side
    172,926.18x = 29,302,723,189.55
  5. Step 5: Solve for x
    x = 29,302,723,189.55/172,926.18
  6. Step 6: Final answer
    x = 169,452.21

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1.5x scale

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.