Home / 215,486.42-323,030.07-110,072.90

Finding the Fourth Proportional to 215,486.42, 323,030.07 and 110,072.90

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Solution

The fourth proportional to 215,486.42, 323,030.07 and 110,072.90 is: 165,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,486.42 : 323,030.07 = 110,072.90 : x
  2. Step 2: Convert to fraction form
    215,486.42/323,030.07 = 110,072.90/x
  3. Step 3: Cross multiply
    215,486.42x = 323,030.07 × 110,072.90
  4. Step 4: Simplify right side
    215,486.42x = 35,556,856,592.10
  5. Step 5: Solve for x
    x = 35,556,856,592.10/215,486.42
  6. Step 6: Final answer
    x = 165,007.41

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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.