Home / 143,247.82-197,693.76-92,366.47

Finding the Fourth Proportional to 143,247.82, 197,693.76 and 92,366.47

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Solution

The fourth proportional to 143,247.82, 197,693.76 and 92,366.47 is: 127,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.82 : 197,693.76 = 92,366.47 : x
  2. Step 2: Convert to fraction form
    143,247.82/197,693.76 = 92,366.47/x
  3. Step 3: Cross multiply
    143,247.82x = 197,693.76 × 92,366.47
  4. Step 4: Simplify right side
    143,247.82x = 18,260,274,752.23
  5. Step 5: Solve for x
    x = 18,260,274,752.23/143,247.82
  6. Step 6: Final answer
    x = 127,473.32

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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.