Home / 211,601.97-291,999.13-116,101.15

Finding the Fourth Proportional to 211,601.97, 291,999.13 and 116,101.15

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Solution

The fourth proportional to 211,601.97, 291,999.13 and 116,101.15 is: 160,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,601.97 : 291,999.13 = 116,101.15 : x
  2. Step 2: Convert to fraction form
    211,601.97/291,999.13 = 116,101.15/x
  3. Step 3: Cross multiply
    211,601.97x = 291,999.13 × 116,101.15
  4. Step 4: Simplify right side
    211,601.97x = 33,901,433,771.75
  5. Step 5: Solve for x
    x = 33,901,433,771.75/211,601.97
  6. Step 6: Final answer
    x = 160,213.22

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1.5x scale

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.