Home / 173,396.10-260,094.15-90,279.30

Finding the Fourth Proportional to 173,396.10, 260,094.15 and 90,279.30

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Solution

The fourth proportional to 173,396.10, 260,094.15 and 90,279.30 is: 135,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,396.10 : 260,094.15 = 90,279.30 : x
  2. Step 2: Convert to fraction form
    173,396.10/260,094.15 = 90,279.30/x
  3. Step 3: Cross multiply
    173,396.10x = 260,094.15 × 90,279.30
  4. Step 4: Simplify right side
    173,396.10x = 23,481,117,796.10
  5. Step 5: Solve for x
    x = 23,481,117,796.10/173,396.10
  6. Step 6: Final answer
    x = 135,418.95

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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.