Home / 172,157.30-258,272.52-53,837.58

Finding the Fourth Proportional to 172,157.30, 258,272.52 and 53,837.58

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Solution

The fourth proportional to 172,157.30, 258,272.52 and 53,837.58 is: 80,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157.30 : 258,272.52 = 53,837.58 : x
  2. Step 2: Convert to fraction form
    172,157.30/258,272.52 = 53,837.58/x
  3. Step 3: Cross multiply
    172,157.30x = 258,272.52 × 53,837.58
  4. Step 4: Simplify right side
    172,157.30x = 13,904,767,457.30
  5. Step 5: Solve for x
    x = 13,904,767,457.30/172,157.30
  6. Step 6: Final answer
    x = 80,767.81

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1.5x scale

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.