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Finding the Fourth Proportional to 180,060.16, 270,120.96 and 55,398.40

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Solution

The fourth proportional to 180,060.16, 270,120.96 and 55,398.40 is: 83,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,060.16 : 270,120.96 = 55,398.40 : x
  2. Step 2: Convert to fraction form
    180,060.16/270,120.96 = 55,398.40/x
  3. Step 3: Cross multiply
    180,060.16x = 270,120.96 × 55,398.40
  4. Step 4: Simplify right side
    180,060.16x = 14,964,268,990.46
  5. Step 5: Solve for x
    x = 14,964,268,990.46/180,060.16
  6. Step 6: Final answer
    x = 83,107.05

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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.