Home / 211,102.07-291,321.29-114,306.98

Finding the Fourth Proportional to 211,102.07, 291,321.29 and 114,306.98

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Solution

The fourth proportional to 211,102.07, 291,321.29 and 114,306.98 is: 157,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,102.07 : 291,321.29 = 114,306.98 : x
  2. Step 2: Convert to fraction form
    211,102.07/291,321.29 = 114,306.98/x
  3. Step 3: Cross multiply
    211,102.07x = 291,321.29 × 114,306.98
  4. Step 4: Simplify right side
    211,102.07x = 33,300,055,698.77
  5. Step 5: Solve for x
    x = 33,300,055,698.77/211,102.07
  6. Step 6: Final answer
    x = 157,743.87

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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.