Home / 199,335.72-299,002.62-66,225.96

Finding the Fourth Proportional to 199,335.72, 299,002.62 and 66,225.96

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Solution

The fourth proportional to 199,335.72, 299,002.62 and 66,225.96 is: 99,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,335.72 : 299,002.62 = 66,225.96 : x
  2. Step 2: Convert to fraction form
    199,335.72/299,002.62 = 66,225.96/x
  3. Step 3: Cross multiply
    199,335.72x = 299,002.62 × 66,225.96
  4. Step 4: Simplify right side
    199,335.72x = 19,801,735,552.02
  5. Step 5: Solve for x
    x = 19,801,735,552.02/199,335.72
  6. Step 6: Final answer
    x = 99,338.62

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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.