Home / 210,758.05-290,850.38-115,270.89

Finding the Fourth Proportional to 210,758.05, 290,850.38 and 115,270.89

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Solution

The fourth proportional to 210,758.05, 290,850.38 and 115,270.89 is: 159,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,758.05 : 290,850.38 = 115,270.89 : x
  2. Step 2: Convert to fraction form
    210,758.05/290,850.38 = 115,270.89/x
  3. Step 3: Cross multiply
    210,758.05x = 290,850.38 × 115,270.89
  4. Step 4: Simplify right side
    210,758.05x = 33,526,582,159.44
  5. Step 5: Solve for x
    x = 33,526,582,159.44/210,758.05
  6. Step 6: Final answer
    x = 159,076.16

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1.5x scale

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.