Home / 149,147.91-205,777.71-84,606.48

Finding the Fourth Proportional to 149,147.91, 205,777.71 and 84,606.48

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Solution

The fourth proportional to 149,147.91, 205,777.71 and 84,606.48 is: 116,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,147.91 : 205,777.71 = 84,606.48 : x
  2. Step 2: Convert to fraction form
    149,147.91/205,777.71 = 84,606.48/x
  3. Step 3: Cross multiply
    149,147.91x = 205,777.71 × 84,606.48
  4. Step 4: Simplify right side
    149,147.91x = 17,410,127,705.56
  5. Step 5: Solve for x
    x = 17,410,127,705.56/149,147.91
  6. Step 6: Final answer
    x = 116,730.62

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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.