Home / 199,749.18-299,624.91-66,629.04

Finding the Fourth Proportional to 199,749.18, 299,624.91 and 66,629.04

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Solution

The fourth proportional to 199,749.18, 299,624.91 and 66,629.04 is: 99,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,749.18 : 299,624.91 = 66,629.04 : x
  2. Step 2: Convert to fraction form
    199,749.18/299,624.91 = 66,629.04/x
  3. Step 3: Cross multiply
    199,749.18x = 299,624.91 × 66,629.04
  4. Step 4: Simplify right side
    199,749.18x = 19,963,720,113.39
  5. Step 5: Solve for x
    x = 19,963,720,113.39/199,749.18
  6. Step 6: Final answer
    x = 99,943.94

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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.