Home / 211,268.93-291,549.42-115,775.37

Finding the Fourth Proportional to 211,268.93, 291,549.42 and 115,775.37

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Solution

The fourth proportional to 211,268.93, 291,549.42 and 115,775.37 is: 159,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,268.93 : 291,549.42 = 115,775.37 : x
  2. Step 2: Convert to fraction form
    211,268.93/291,549.42 = 115,775.37/x
  3. Step 3: Cross multiply
    211,268.93x = 291,549.42 × 115,775.37
  4. Step 4: Simplify right side
    211,268.93x = 33,754,241,973.79
  5. Step 5: Solve for x
    x = 33,754,241,973.79/211,268.93
  6. Step 6: Final answer
    x = 159,769.08

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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.