Home / 207,537.42-286,422-121,491.24

Finding the Fourth Proportional to 207,537.42, 286,422 and 121,491.24

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Solution

The fourth proportional to 207,537.42, 286,422 and 121,491.24 is: 167,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,537.42 : 286,422 = 121,491.24 : x
  2. Step 2: Convert to fraction form
    207,537.42/286,422 = 121,491.24/x
  3. Step 3: Cross multiply
    207,537.42x = 286,422 × 121,491.24
  4. Step 4: Simplify right side
    207,537.42x = 34,797,763,943.28
  5. Step 5: Solve for x
    x = 34,797,763,943.28/207,537.42
  6. Step 6: Final answer
    x = 167,669.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.