Home / 211,251.08-291,521.46-115,753.16

Finding the Fourth Proportional to 211,251.08, 291,521.46 and 115,753.16

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Solution

The fourth proportional to 211,251.08, 291,521.46 and 115,753.16 is: 159,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,251.08 : 291,521.46 = 115,753.16 : x
  2. Step 2: Convert to fraction form
    211,251.08/291,521.46 = 115,753.16/x
  3. Step 3: Cross multiply
    211,251.08x = 291,521.46 × 115,753.16
  4. Step 4: Simplify right side
    211,251.08x = 33,744,530,202.81
  5. Step 5: Solve for x
    x = 33,744,530,202.81/211,251.08
  6. Step 6: Final answer
    x = 159,736.60

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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.