Home / 173,398.45-260,045.83-90,247.09

Finding the Fourth Proportional to 173,398.45, 260,045.83 and 90,247.09

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Solution

The fourth proportional to 173,398.45, 260,045.83 and 90,247.09 is: 135,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398.45 : 260,045.83 = 90,247.09 : x
  2. Step 2: Convert to fraction form
    173,398.45/260,045.83 = 90,247.09/x
  3. Step 3: Cross multiply
    173,398.45x = 260,045.83 × 90,247.09
  4. Step 4: Simplify right side
    173,398.45x = 23,468,379,424.13
  5. Step 5: Solve for x
    x = 23,468,379,424.13/173,398.45
  6. Step 6: Final answer
    x = 135,343.65

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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.