Home / 199,139.24-299,049.78-133,004.36

Finding the Fourth Proportional to 199,139.24, 299,049.78 and 133,004.36

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Solution

The fourth proportional to 199,139.24, 299,049.78 and 133,004.36 is: 199,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139.24 : 299,049.78 = 133,004.36 : x
  2. Step 2: Convert to fraction form
    199,139.24/299,049.78 = 133,004.36/x
  3. Step 3: Cross multiply
    199,139.24x = 299,049.78 × 133,004.36
  4. Step 4: Simplify right side
    199,139.24x = 39,774,924,597.04
  5. Step 5: Solve for x
    x = 39,774,924,597.04/199,139.24
  6. Step 6: Final answer
    x = 199,734.24

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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.