Home / 211,052.60-291,243.66-115,557.56

Finding the Fourth Proportional to 211,052.60, 291,243.66 and 115,557.56

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Solution

The fourth proportional to 211,052.60, 291,243.66 and 115,557.56 is: 159,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,052.60 : 291,243.66 = 115,557.56 : x
  2. Step 2: Convert to fraction form
    211,052.60/291,243.66 = 115,557.56/x
  3. Step 3: Cross multiply
    211,052.60x = 291,243.66 × 115,557.56
  4. Step 4: Simplify right side
    211,052.60x = 33,655,406,715.07
  5. Step 5: Solve for x
    x = 33,655,406,715.07/211,052.60
  6. Step 6: Final answer
    x = 159,464.54

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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.