Home / 210,673.26-290,731.94-115,179.72

Finding the Fourth Proportional to 210,673.26, 290,731.94 and 115,179.72

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Solution

The fourth proportional to 210,673.26, 290,731.94 and 115,179.72 is: 158,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,673.26 : 290,731.94 = 115,179.72 : x
  2. Step 2: Convert to fraction form
    210,673.26/290,731.94 = 115,179.72/x
  3. Step 3: Cross multiply
    210,673.26x = 290,731.94 × 115,179.72
  4. Step 4: Simplify right side
    210,673.26x = 33,486,423,444.26
  5. Step 5: Solve for x
    x = 33,486,423,444.26/210,673.26
  6. Step 6: Final answer
    x = 158,949.57

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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.