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Finding the Fourth Proportional to 173,269.40, 260,049.90 and 68,163.80

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Solution

The fourth proportional to 173,269.40, 260,049.90 and 68,163.80 is: 102,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,269.40 : 260,049.90 = 68,163.80 : x
  2. Step 2: Convert to fraction form
    173,269.40/260,049.90 = 68,163.80/x
  3. Step 3: Cross multiply
    173,269.40x = 260,049.90 × 68,163.80
  4. Step 4: Simplify right side
    173,269.40x = 17,725,989,373.62
  5. Step 5: Solve for x
    x = 17,725,989,373.62/173,269.40
  6. Step 6: Final answer
    x = 102,303.06

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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.