Home / 186,318.24-278,045.94-166,388.64

Finding the Fourth Proportional to 186,318.24, 278,045.94 and 166,388.64

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Solution

The fourth proportional to 186,318.24, 278,045.94 and 166,388.64 is: 248,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,318.24 : 278,045.94 = 166,388.64 : x
  2. Step 2: Convert to fraction form
    186,318.24/278,045.94 = 166,388.64/x
  3. Step 3: Cross multiply
    186,318.24x = 278,045.94 × 166,388.64
  4. Step 4: Simplify right side
    186,318.24x = 46,263,685,814.12
  5. Step 5: Solve for x
    x = 46,263,685,814.12/186,318.24
  6. Step 6: Final answer
    x = 248,304.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.