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Finding the Fourth Proportional to 180,246.84, 270,202.92 and 85,521.54

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Solution

The fourth proportional to 180,246.84, 270,202.92 and 85,521.54 is: 128,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,246.84 : 270,202.92 = 85,521.54 : x
  2. Step 2: Convert to fraction form
    180,246.84/270,202.92 = 85,521.54/x
  3. Step 3: Cross multiply
    180,246.84x = 270,202.92 × 85,521.54
  4. Step 4: Simplify right side
    180,246.84x = 23,108,169,830.90
  5. Step 5: Solve for x
    x = 23,108,169,830.90/180,246.84
  6. Step 6: Final answer
    x = 128,202.91

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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.