Home / 172,328.68-258,496.26-53,997.40

Finding the Fourth Proportional to 172,328.68, 258,496.26 and 53,997.40

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Solution

The fourth proportional to 172,328.68, 258,496.26 and 53,997.40 is: 80,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,328.68 : 258,496.26 = 53,997.40 : x
  2. Step 2: Convert to fraction form
    172,328.68/258,496.26 = 53,997.40/x
  3. Step 3: Cross multiply
    172,328.68x = 258,496.26 × 53,997.40
  4. Step 4: Simplify right side
    172,328.68x = 13,958,125,949.72
  5. Step 5: Solve for x
    x = 13,958,125,949.72/172,328.68
  6. Step 6: Final answer
    x = 80,997.12

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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.