Home / 211,494.45-291,881.07-116,019.75

Finding the Fourth Proportional to 211,494.45, 291,881.07 and 116,019.75

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Solution

The fourth proportional to 211,494.45, 291,881.07 and 116,019.75 is: 160,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,494.45 : 291,881.07 = 116,019.75 : x
  2. Step 2: Convert to fraction form
    211,494.45/291,881.07 = 116,019.75/x
  3. Step 3: Cross multiply
    211,494.45x = 291,881.07 × 116,019.75
  4. Step 4: Simplify right side
    211,494.45x = 33,863,968,771.13
  5. Step 5: Solve for x
    x = 33,863,968,771.13/211,494.45
  6. Step 6: Final answer
    x = 160,117.53

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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.