Home / 199,743.35-299,615.81-49,983.21

Finding the Fourth Proportional to 199,743.35, 299,615.81 and 49,983.21

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Solution

The fourth proportional to 199,743.35, 299,615.81 and 49,983.21 is: 74,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,743.35 : 299,615.81 = 49,983.21 : x
  2. Step 2: Convert to fraction form
    199,743.35/299,615.81 = 49,983.21/x
  3. Step 3: Cross multiply
    199,743.35x = 299,615.81 × 49,983.21
  4. Step 4: Simplify right side
    199,743.35x = 14,975,759,950.55
  5. Step 5: Solve for x
    x = 14,975,759,950.55/199,743.35
  6. Step 6: Final answer
    x = 74,975.01

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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.