Home / 134,834.75-186,071.81-74,405.37

Finding the Fourth Proportional to 134,834.75, 186,071.81 and 74,405.37

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Solution

The fourth proportional to 134,834.75, 186,071.81 and 74,405.37 is: 102,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.75 : 186,071.81 = 74,405.37 : x
  2. Step 2: Convert to fraction form
    134,834.75/186,071.81 = 74,405.37/x
  3. Step 3: Cross multiply
    134,834.75x = 186,071.81 × 74,405.37
  4. Step 4: Simplify right side
    134,834.75x = 13,844,741,497.59
  5. Step 5: Solve for x
    x = 13,844,741,497.59/134,834.75
  6. Step 6: Final answer
    x = 102,679.33

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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.