Home / 186,072.42-279,033.49-72,160.26

Finding the Fourth Proportional to 186,072.42, 279,033.49 and 72,160.26

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Solution

The fourth proportional to 186,072.42, 279,033.49 and 72,160.26 is: 108,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072.42 : 279,033.49 = 72,160.26 : x
  2. Step 2: Convert to fraction form
    186,072.42/279,033.49 = 72,160.26/x
  3. Step 3: Cross multiply
    186,072.42x = 279,033.49 × 72,160.26
  4. Step 4: Simplify right side
    186,072.42x = 20,135,129,187.11
  5. Step 5: Solve for x
    x = 20,135,129,187.11/186,072.42
  6. Step 6: Final answer
    x = 108,211.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.