Home / 104,162.54-143,743.86-58,222.12

Finding the Fourth Proportional to 104,162.54, 143,743.86 and 58,222.12

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Solution

The fourth proportional to 104,162.54, 143,743.86 and 58,222.12 is: 80,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,162.54 : 143,743.86 = 58,222.12 : x
  2. Step 2: Convert to fraction form
    104,162.54/143,743.86 = 58,222.12/x
  3. Step 3: Cross multiply
    104,162.54x = 143,743.86 × 58,222.12
  4. Step 4: Simplify right side
    104,162.54x = 8,369,072,266.18
  5. Step 5: Solve for x
    x = 8,369,072,266.18/104,162.54
  6. Step 6: Final answer
    x = 80,346.28

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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.