Home / 210,964.73-291,134.04-115,469.38

Finding the Fourth Proportional to 210,964.73, 291,134.04 and 115,469.38

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Solution

The fourth proportional to 210,964.73, 291,134.04 and 115,469.38 is: 159,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,964.73 : 291,134.04 = 115,469.38 : x
  2. Step 2: Convert to fraction form
    210,964.73/291,134.04 = 115,469.38/x
  3. Step 3: Cross multiply
    210,964.73x = 291,134.04 × 115,469.38
  4. Step 4: Simplify right side
    210,964.73x = 33,617,065,640.03
  5. Step 5: Solve for x
    x = 33,617,065,640.03/210,964.73
  6. Step 6: Final answer
    x = 159,349.22

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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.