Home / 172,157.56-258,272.89-53,837.82

Finding the Fourth Proportional to 172,157.56, 258,272.89 and 53,837.82

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Solution

The fourth proportional to 172,157.56, 258,272.89 and 53,837.82 is: 80,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157.56 : 258,272.89 = 53,837.82 : x
  2. Step 2: Convert to fraction form
    172,157.56/258,272.89 = 53,837.82/x
  3. Step 3: Cross multiply
    172,157.56x = 258,272.89 × 53,837.82
  4. Step 4: Simplify right side
    172,157.56x = 13,904,849,228.11
  5. Step 5: Solve for x
    x = 13,904,849,228.11/172,157.56
  6. Step 6: Final answer
    x = 80,768.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.