Home / 172,835.67-238,487.73-100,235.46

Finding the Fourth Proportional to 172,835.67, 238,487.73 and 100,235.46

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Solution

The fourth proportional to 172,835.67, 238,487.73 and 100,235.46 is: 138,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,835.67 : 238,487.73 = 100,235.46 : x
  2. Step 2: Convert to fraction form
    172,835.67/238,487.73 = 100,235.46/x
  3. Step 3: Cross multiply
    172,835.67x = 238,487.73 × 100,235.46
  4. Step 4: Simplify right side
    172,835.67x = 23,904,927,320.91
  5. Step 5: Solve for x
    x = 23,904,927,320.91/172,835.67
  6. Step 6: Final answer
    x = 138,310.15

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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.