Home / 223,921.96-309,000.90-123,300.52

Finding the Fourth Proportional to 223,921.96, 309,000.90 and 123,300.52

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Solution

The fourth proportional to 223,921.96, 309,000.90 and 123,300.52 is: 170,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,921.96 : 309,000.90 = 123,300.52 : x
  2. Step 2: Convert to fraction form
    223,921.96/309,000.90 = 123,300.52/x
  3. Step 3: Cross multiply
    223,921.96x = 309,000.90 × 123,300.52
  4. Step 4: Simplify right side
    223,921.96x = 38,099,971,650.47
  5. Step 5: Solve for x
    x = 38,099,971,650.47/223,921.96
  6. Step 6: Final answer
    x = 170,148.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.