Home / 123,629.07-185,447.38-42,575.22

Finding the Fourth Proportional to 123,629.07, 185,447.38 and 42,575.22

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Solution

The fourth proportional to 123,629.07, 185,447.38 and 42,575.22 is: 63,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,629.07 : 185,447.38 = 42,575.22 : x
  2. Step 2: Convert to fraction form
    123,629.07/185,447.38 = 42,575.22/x
  3. Step 3: Cross multiply
    123,629.07x = 185,447.38 × 42,575.22
  4. Step 4: Simplify right side
    123,629.07x = 7,895,462,895.49
  5. Step 5: Solve for x
    x = 7,895,462,895.49/123,629.07
  6. Step 6: Final answer
    x = 63,864.13

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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.