Home / 206,031.65-309,152.96-98,083.19

Finding the Fourth Proportional to 206,031.65, 309,152.96 and 98,083.19

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Solution

The fourth proportional to 206,031.65, 309,152.96 and 98,083.19 is: 147,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,031.65 : 309,152.96 = 98,083.19 : x
  2. Step 2: Convert to fraction form
    206,031.65/309,152.96 = 98,083.19/x
  3. Step 3: Cross multiply
    206,031.65x = 309,152.96 × 98,083.19
  4. Step 4: Simplify right side
    206,031.65x = 30,322,706,478.56
  5. Step 5: Solve for x
    x = 30,322,706,478.56/206,031.65
  6. Step 6: Final answer
    x = 147,175.00

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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.