Home / 70,144.50-105,217.02-17,553.84

Finding the Fourth Proportional to 70,144.50, 105,217.02 and 17,553.84

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Solution

The fourth proportional to 70,144.50, 105,217.02 and 17,553.84 is: 26,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.50 : 105,217.02 = 17,553.84 : x
  2. Step 2: Convert to fraction form
    70,144.50/105,217.02 = 17,553.84/x
  3. Step 3: Cross multiply
    70,144.50x = 105,217.02 × 17,553.84
  4. Step 4: Simplify right side
    70,144.50x = 1,846,962,734.36
  5. Step 5: Solve for x
    x = 1,846,962,734.36/70,144.50
  6. Step 6: Final answer
    x = 26,330.83

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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.