Home / 211,111.48-316,391.82-161,008.12

Finding the Fourth Proportional to 211,111.48, 316,391.82 and 161,008.12

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Solution

The fourth proportional to 211,111.48, 316,391.82 and 161,008.12 is: 241,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,111.48 : 316,391.82 = 161,008.12 : x
  2. Step 2: Convert to fraction form
    211,111.48/316,391.82 = 161,008.12/x
  3. Step 3: Cross multiply
    211,111.48x = 316,391.82 × 161,008.12
  4. Step 4: Simplify right side
    211,111.48x = 50,941,652,121.58
  5. Step 5: Solve for x
    x = 50,941,652,121.58/211,111.48
  6. Step 6: Final answer
    x = 241,302.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.