Home / 172,872.08-238,607.92-112,592.96

Finding the Fourth Proportional to 172,872.08, 238,607.92 and 112,592.96

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Solution

The fourth proportional to 172,872.08, 238,607.92 and 112,592.96 is: 155,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,872.08 : 238,607.92 = 112,592.96 : x
  2. Step 2: Convert to fraction form
    172,872.08/238,607.92 = 112,592.96/x
  3. Step 3: Cross multiply
    172,872.08x = 238,607.92 × 112,592.96
  4. Step 4: Simplify right side
    172,872.08x = 26,865,571,992.24
  5. Step 5: Solve for x
    x = 26,865,571,992.24/172,872.08
  6. Step 6: Final answer
    x = 155,407.24

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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.