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Finding the Fourth Proportional to 135,001.80, 202,211.10 and 120,227.40

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Solution

The fourth proportional to 135,001.80, 202,211.10 and 120,227.40 is: 180,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,001.80 : 202,211.10 = 120,227.40 : x
  2. Step 2: Convert to fraction form
    135,001.80/202,211.10 = 120,227.40/x
  3. Step 3: Cross multiply
    135,001.80x = 202,211.10 × 120,227.40
  4. Step 4: Simplify right side
    135,001.80x = 24,311,314,804.14
  5. Step 5: Solve for x
    x = 24,311,314,804.14/135,001.80
  6. Step 6: Final answer
    x = 180,081.41

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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.