Home / 134,628.49-185,779.73-74,198.95

Finding the Fourth Proportional to 134,628.49, 185,779.73 and 74,198.95

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Solution

The fourth proportional to 134,628.49, 185,779.73 and 74,198.95 is: 102,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628.49 : 185,779.73 = 74,198.95 : x
  2. Step 2: Convert to fraction form
    134,628.49/185,779.73 = 74,198.95/x
  3. Step 3: Cross multiply
    134,628.49x = 185,779.73 × 74,198.95
  4. Step 4: Simplify right side
    134,628.49x = 13,784,660,618.33
  5. Step 5: Solve for x
    x = 13,784,660,618.33/134,628.49
  6. Step 6: Final answer
    x = 102,390.37

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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.