Home / 123,398.10-185,067.99-53,239.14

Finding the Fourth Proportional to 123,398.10, 185,067.99 and 53,239.14

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Solution

The fourth proportional to 123,398.10, 185,067.99 and 53,239.14 is: 79,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,398.10 : 185,067.99 = 53,239.14 : x
  2. Step 2: Convert to fraction form
    123,398.10/185,067.99 = 53,239.14/x
  3. Step 3: Cross multiply
    123,398.10x = 185,067.99 × 53,239.14
  4. Step 4: Simplify right side
    123,398.10x = 9,852,860,629.13
  5. Step 5: Solve for x
    x = 9,852,860,629.13/123,398.10
  6. Step 6: Final answer
    x = 79,846.13

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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.