Home / 199,646.15-298,991.81-115,150.16

Finding the Fourth Proportional to 199,646.15, 298,991.81 and 115,150.16

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Solution

The fourth proportional to 199,646.15, 298,991.81 and 115,150.16 is: 172,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,646.15 : 298,991.81 = 115,150.16 : x
  2. Step 2: Convert to fraction form
    199,646.15/298,991.81 = 115,150.16/x
  3. Step 3: Cross multiply
    199,646.15x = 298,991.81 × 115,150.16
  4. Step 4: Simplify right side
    199,646.15x = 34,428,953,466.00
  5. Step 5: Solve for x
    x = 34,428,953,466.00/199,646.15
  6. Step 6: Final answer
    x = 172,449.87

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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.