Home / 172,192.08-258,054.84-89,144.40

Finding the Fourth Proportional to 172,192.08, 258,054.84 and 89,144.40

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Solution

The fourth proportional to 172,192.08, 258,054.84 and 89,144.40 is: 133,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,192.08 : 258,054.84 = 89,144.40 : x
  2. Step 2: Convert to fraction form
    172,192.08/258,054.84 = 89,144.40/x
  3. Step 3: Cross multiply
    172,192.08x = 258,054.84 × 89,144.40
  4. Step 4: Simplify right side
    172,192.08x = 23,004,143,878.90
  5. Step 5: Solve for x
    x = 23,004,143,878.90/172,192.08
  6. Step 6: Final answer
    x = 133,595.83

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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.