Home / 211,477.96-291,846-115,991.11

Finding the Fourth Proportional to 211,477.96, 291,846 and 115,991.11

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Solution

The fourth proportional to 211,477.96, 291,846 and 115,991.11 is: 160,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477.96 : 291,846 = 115,991.11 : x
  2. Step 2: Convert to fraction form
    211,477.96/291,846 = 115,991.11/x
  3. Step 3: Cross multiply
    211,477.96x = 291,846 × 115,991.11
  4. Step 4: Simplify right side
    211,477.96x = 33,851,541,489.06
  5. Step 5: Solve for x
    x = 33,851,541,489.06/211,477.96
  6. Step 6: Final answer
    x = 160,071.25

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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.