Home / 199,629.58-299,195.17-99,818.31

Finding the Fourth Proportional to 199,629.58, 299,195.17 and 99,818.31

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Solution

The fourth proportional to 199,629.58, 299,195.17 and 99,818.31 is: 149,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.58 : 299,195.17 = 99,818.31 : x
  2. Step 2: Convert to fraction form
    199,629.58/299,195.17 = 99,818.31/x
  3. Step 3: Cross multiply
    199,629.58x = 299,195.17 × 99,818.31
  4. Step 4: Simplify right side
    199,629.58x = 29,865,155,730.47
  5. Step 5: Solve for x
    x = 29,865,155,730.47/199,629.58
  6. Step 6: Final answer
    x = 149,602.86

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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.