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Finding the Fourth Proportional to 172,592.95, 238,121.19 and 100,922.23

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Solution

The fourth proportional to 172,592.95, 238,121.19 and 100,922.23 is: 139,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,592.95 : 238,121.19 = 100,922.23 : x
  2. Step 2: Convert to fraction form
    172,592.95/238,121.19 = 100,922.23/x
  3. Step 3: Cross multiply
    172,592.95x = 238,121.19 × 100,922.23
  4. Step 4: Simplify right side
    172,592.95x = 24,031,721,505.05
  5. Step 5: Solve for x
    x = 24,031,721,505.05/172,592.95
  6. Step 6: Final answer
    x = 139,239.30

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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.