Home / 210,387.30-290,336.79-114,896.81

Finding the Fourth Proportional to 210,387.30, 290,336.79 and 114,896.81

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Solution

The fourth proportional to 210,387.30, 290,336.79 and 114,896.81 is: 158,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,387.30 : 290,336.79 = 114,896.81 : x
  2. Step 2: Convert to fraction form
    210,387.30/290,336.79 = 114,896.81/x
  3. Step 3: Cross multiply
    210,387.30x = 290,336.79 × 114,896.81
  4. Step 4: Simplify right side
    210,387.30x = 33,358,769,544.96
  5. Step 5: Solve for x
    x = 33,358,769,544.96/210,387.30
  6. Step 6: Final answer
    x = 158,558.86

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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.