Home / 172,299.43-258,465.35-50,720.05

Finding the Fourth Proportional to 172,299.43, 258,465.35 and 50,720.05

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Solution

The fourth proportional to 172,299.43, 258,465.35 and 50,720.05 is: 76,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299.43 : 258,465.35 = 50,720.05 : x
  2. Step 2: Convert to fraction form
    172,299.43/258,465.35 = 50,720.05/x
  3. Step 3: Cross multiply
    172,299.43x = 258,465.35 × 50,720.05
  4. Step 4: Simplify right side
    172,299.43x = 13,109,375,475.27
  5. Step 5: Solve for x
    x = 13,109,375,475.27/172,299.43
  6. Step 6: Final answer
    x = 76,084.85

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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.