Home / 172,065.08-258,097.68-53,736.90

Finding the Fourth Proportional to 172,065.08, 258,097.68 and 53,736.90

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Solution

The fourth proportional to 172,065.08, 258,097.68 and 53,736.90 is: 80,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,065.08 : 258,097.68 = 53,736.90 : x
  2. Step 2: Convert to fraction form
    172,065.08/258,097.68 = 53,736.90/x
  3. Step 3: Cross multiply
    172,065.08x = 258,097.68 × 53,736.90
  4. Step 4: Simplify right side
    172,065.08x = 13,869,369,220.39
  5. Step 5: Solve for x
    x = 13,869,369,220.39/172,065.08
  6. Step 6: Final answer
    x = 80,605.37

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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.