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Finding the Fourth Proportional to 180,034.13, 270,065.12 and 53,664.71

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Solution

The fourth proportional to 180,034.13, 270,065.12 and 53,664.71 is: 80,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,034.13 : 270,065.12 = 53,664.71 : x
  2. Step 2: Convert to fraction form
    180,034.13/270,065.12 = 53,664.71/x
  3. Step 3: Cross multiply
    180,034.13x = 270,065.12 × 53,664.71
  4. Step 4: Simplify right side
    180,034.13x = 14,492,964,727.27
  5. Step 5: Solve for x
    x = 14,492,964,727.27/180,034.13
  6. Step 6: Final answer
    x = 80,501.21

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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.