Home / 199,147.74-274,813.02-113,104.59

Finding the Fourth Proportional to 199,147.74, 274,813.02 and 113,104.59

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Solution

The fourth proportional to 199,147.74, 274,813.02 and 113,104.59 is: 156,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,147.74 : 274,813.02 = 113,104.59 : x
  2. Step 2: Convert to fraction form
    199,147.74/274,813.02 = 113,104.59/x
  3. Step 3: Cross multiply
    199,147.74x = 274,813.02 × 113,104.59
  4. Step 4: Simplify right side
    199,147.74x = 31,082,613,953.76
  5. Step 5: Solve for x
    x = 31,082,613,953.76/199,147.74
  6. Step 6: Final answer
    x = 156,078.17

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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.