Home / 154,283.22-231,341.61-69,997.39

Finding the Fourth Proportional to 154,283.22, 231,341.61 and 69,997.39

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Solution

The fourth proportional to 154,283.22, 231,341.61 and 69,997.39 is: 104,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,283.22 : 231,341.61 = 69,997.39 : x
  2. Step 2: Convert to fraction form
    154,283.22/231,341.61 = 69,997.39/x
  3. Step 3: Cross multiply
    154,283.22x = 231,341.61 × 69,997.39
  4. Step 4: Simplify right side
    154,283.22x = 16,193,308,898.40
  5. Step 5: Solve for x
    x = 16,193,308,898.40/154,283.22
  6. Step 6: Final answer
    x = 104,958.33

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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.