Home / 103,198.73-142,429.81-62,935.85

Finding the Fourth Proportional to 103,198.73, 142,429.81 and 62,935.85

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Solution

The fourth proportional to 103,198.73, 142,429.81 and 62,935.85 is: 86,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,198.73 : 142,429.81 = 62,935.85 : x
  2. Step 2: Convert to fraction form
    103,198.73/142,429.81 = 62,935.85/x
  3. Step 3: Cross multiply
    103,198.73x = 142,429.81 × 62,935.85
  4. Step 4: Simplify right side
    103,198.73x = 8,963,940,130.86
  5. Step 5: Solve for x
    x = 8,963,940,130.86/103,198.73
  6. Step 6: Final answer
    x = 86,860.96

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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.