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Finding the Fourth Proportional to 180,103.93, 270,155.90 and 67,809.34

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Solution

The fourth proportional to 180,103.93, 270,155.90 and 67,809.34 is: 101,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,103.93 : 270,155.90 = 67,809.34 : x
  2. Step 2: Convert to fraction form
    180,103.93/270,155.90 = 67,809.34/x
  3. Step 3: Cross multiply
    180,103.93x = 270,155.90 × 67,809.34
  4. Step 4: Simplify right side
    180,103.93x = 18,319,093,276.11
  5. Step 5: Solve for x
    x = 18,319,093,276.11/180,103.93
  6. Step 6: Final answer
    x = 101,714.01

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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.