Home / 211,319.62-291,619.33-115,826.10

Finding the Fourth Proportional to 211,319.62, 291,619.33 and 115,826.10

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Solution

The fourth proportional to 211,319.62, 291,619.33 and 115,826.10 is: 159,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,319.62 : 291,619.33 = 115,826.10 : x
  2. Step 2: Convert to fraction form
    211,319.62/291,619.33 = 115,826.10/x
  3. Step 3: Cross multiply
    211,319.62x = 291,619.33 × 115,826.10
  4. Step 4: Simplify right side
    211,319.62x = 33,777,129,678.51
  5. Step 5: Solve for x
    x = 33,777,129,678.51/211,319.62
  6. Step 6: Final answer
    x = 159,839.06

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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.