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Finding the Fourth Proportional to 180,250.84, 270,208.92 and 85,525.54

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Solution

The fourth proportional to 180,250.84, 270,208.92 and 85,525.54 is: 128,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,250.84 : 270,208.92 = 85,525.54 : x
  2. Step 2: Convert to fraction form
    180,250.84/270,208.92 = 85,525.54/x
  3. Step 3: Cross multiply
    180,250.84x = 270,208.92 × 85,525.54
  4. Step 4: Simplify right side
    180,250.84x = 23,109,763,795.82
  5. Step 5: Solve for x
    x = 23,109,763,795.82/180,250.84
  6. Step 6: Final answer
    x = 128,208.91

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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.