Home / 199,867.65-299,309.40-132,945.45

Finding the Fourth Proportional to 199,867.65, 299,309.40 and 132,945.45

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Solution

The fourth proportional to 199,867.65, 299,309.40 and 132,945.45 is: 199,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,867.65 : 299,309.40 = 132,945.45 : x
  2. Step 2: Convert to fraction form
    199,867.65/299,309.40 = 132,945.45/x
  3. Step 3: Cross multiply
    199,867.65x = 299,309.40 × 132,945.45
  4. Step 4: Simplify right side
    199,867.65x = 39,791,822,872.23
  5. Step 5: Solve for x
    x = 39,791,822,872.23/199,867.65
  6. Step 6: Final answer
    x = 199,090.86

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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.