Home / 210,964.96-291,134.40-115,469.62

Finding the Fourth Proportional to 210,964.96, 291,134.40 and 115,469.62

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Solution

The fourth proportional to 210,964.96, 291,134.40 and 115,469.62 is: 159,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,964.96 : 291,134.40 = 115,469.62 : x
  2. Step 2: Convert to fraction form
    210,964.96/291,134.40 = 115,469.62/x
  3. Step 3: Cross multiply
    210,964.96x = 291,134.40 × 115,469.62
  4. Step 4: Simplify right side
    210,964.96x = 33,617,178,536.93
  5. Step 5: Solve for x
    x = 33,617,178,536.93/210,964.96
  6. Step 6: Final answer
    x = 159,349.58

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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.