Home / 134,920.82-186,190.98-74,491.58

Finding the Fourth Proportional to 134,920.82, 186,190.98 and 74,491.58

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Solution

The fourth proportional to 134,920.82, 186,190.98 and 74,491.58 is: 102,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.82 : 186,190.98 = 74,491.58 : x
  2. Step 2: Convert to fraction form
    134,920.82/186,190.98 = 74,491.58/x
  3. Step 3: Cross multiply
    134,920.82x = 186,190.98 × 74,491.58
  4. Step 4: Simplify right side
    134,920.82x = 13,869,660,281.95
  5. Step 5: Solve for x
    x = 13,869,660,281.95/134,920.82
  6. Step 6: Final answer
    x = 102,798.52

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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.