Home / 172,934.10-259,401.15-163,748.70

Finding the Fourth Proportional to 172,934.10, 259,401.15 and 163,748.70

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Solution

The fourth proportional to 172,934.10, 259,401.15 and 163,748.70 is: 245,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,934.10 : 259,401.15 = 163,748.70 : x
  2. Step 2: Convert to fraction form
    172,934.10/259,401.15 = 163,748.70/x
  3. Step 3: Cross multiply
    172,934.10x = 259,401.15 × 163,748.70
  4. Step 4: Simplify right side
    172,934.10x = 42,476,601,091.01
  5. Step 5: Solve for x
    x = 42,476,601,091.01/172,934.10
  6. Step 6: Final answer
    x = 245,623.05

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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.