Home / 253,057.08-379,556.46-66,083.16

Finding the Fourth Proportional to 253,057.08, 379,556.46 and 66,083.16

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Solution

The fourth proportional to 253,057.08, 379,556.46 and 66,083.16 is: 99,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,057.08 : 379,556.46 = 66,083.16 : x
  2. Step 2: Convert to fraction form
    253,057.08/379,556.46 = 66,083.16/x
  3. Step 3: Cross multiply
    253,057.08x = 379,556.46 × 66,083.16
  4. Step 4: Simplify right side
    253,057.08x = 25,082,290,275.21
  5. Step 5: Solve for x
    x = 25,082,290,275.21/253,057.08
  6. Step 6: Final answer
    x = 99,117.13

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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.