Home / 211,561.29-291,962.75-116,072.01

Finding the Fourth Proportional to 211,561.29, 291,962.75 and 116,072.01

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Solution

The fourth proportional to 211,561.29, 291,962.75 and 116,072.01 is: 160,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,561.29 : 291,962.75 = 116,072.01 : x
  2. Step 2: Convert to fraction form
    211,561.29/291,962.75 = 116,072.01/x
  3. Step 3: Cross multiply
    211,561.29x = 291,962.75 × 116,072.01
  4. Step 4: Simplify right side
    211,561.29x = 33,888,702,657.27
  5. Step 5: Solve for x
    x = 33,888,702,657.27/211,561.29
  6. Step 6: Final answer
    x = 160,183.85

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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.