Home / 199,629.79-299,141.70-146,357.24

Finding the Fourth Proportional to 199,629.79, 299,141.70 and 146,357.24

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Solution

The fourth proportional to 199,629.79, 299,141.70 and 146,357.24 is: 219,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.79 : 299,141.70 = 146,357.24 : x
  2. Step 2: Convert to fraction form
    199,629.79/299,141.70 = 146,357.24/x
  3. Step 3: Cross multiply
    199,629.79x = 299,141.70 × 146,357.24
  4. Step 4: Simplify right side
    199,629.79x = 43,781,553,580.91
  5. Step 5: Solve for x
    x = 43,781,553,580.91/199,629.79
  6. Step 6: Final answer
    x = 219,313.73

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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.