Home / 143,345.62-215,017.20-36,729.37

Finding the Fourth Proportional to 143,345.62, 215,017.20 and 36,729.37

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Solution

The fourth proportional to 143,345.62, 215,017.20 and 36,729.37 is: 55,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,345.62 : 215,017.20 = 36,729.37 : x
  2. Step 2: Convert to fraction form
    143,345.62/215,017.20 = 36,729.37/x
  3. Step 3: Cross multiply
    143,345.62x = 215,017.20 × 36,729.37
  4. Step 4: Simplify right side
    143,345.62x = 7,897,446,295.16
  5. Step 5: Solve for x
    x = 7,897,446,295.16/143,345.62
  6. Step 6: Final answer
    x = 55,093.74

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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.