Home / 215,398.55-323,097.96-103,052.36

Finding the Fourth Proportional to 215,398.55, 323,097.96 and 103,052.36

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Solution

The fourth proportional to 215,398.55, 323,097.96 and 103,052.36 is: 154,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,398.55 : 323,097.96 = 103,052.36 : x
  2. Step 2: Convert to fraction form
    215,398.55/323,097.96 = 103,052.36/x
  3. Step 3: Cross multiply
    215,398.55x = 323,097.96 × 103,052.36
  4. Step 4: Simplify right side
    215,398.55x = 33,296,007,289.19
  5. Step 5: Solve for x
    x = 33,296,007,289.19/215,398.55
  6. Step 6: Final answer
    x = 154,578.60

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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.