Home / 211,076.73-291,289.10-115,592.31

Finding the Fourth Proportional to 211,076.73, 291,289.10 and 115,592.31

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Solution

The fourth proportional to 211,076.73, 291,289.10 and 115,592.31 is: 159,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,076.73 : 291,289.10 = 115,592.31 : x
  2. Step 2: Convert to fraction form
    211,076.73/291,289.10 = 115,592.31/x
  3. Step 3: Cross multiply
    211,076.73x = 291,289.10 × 115,592.31
  4. Step 4: Simplify right side
    211,076.73x = 33,670,779,368.86
  5. Step 5: Solve for x
    x = 33,670,779,368.86/211,076.73
  6. Step 6: Final answer
    x = 159,519.14

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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.