Home / 211,318.62-291,617.96-115,825.10

Finding the Fourth Proportional to 211,318.62, 291,617.96 and 115,825.10

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Solution

The fourth proportional to 211,318.62, 291,617.96 and 115,825.10 is: 159,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,318.62 : 291,617.96 = 115,825.10 : x
  2. Step 2: Convert to fraction form
    211,318.62/291,617.96 = 115,825.10/x
  3. Step 3: Cross multiply
    211,318.62x = 291,617.96 × 115,825.10
  4. Step 4: Simplify right side
    211,318.62x = 33,776,677,341.58
  5. Step 5: Solve for x
    x = 33,776,677,341.58/211,318.62
  6. Step 6: Final answer
    x = 159,837.68

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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.