Home / 213,998.78-295,318.05-118,505.36

Finding the Fourth Proportional to 213,998.78, 295,318.05 and 118,505.36

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Solution

The fourth proportional to 213,998.78, 295,318.05 and 118,505.36 is: 163,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,998.78 : 295,318.05 = 118,505.36 : x
  2. Step 2: Convert to fraction form
    213,998.78/295,318.05 = 118,505.36/x
  3. Step 3: Cross multiply
    213,998.78x = 295,318.05 × 118,505.36
  4. Step 4: Simplify right side
    213,998.78x = 34,996,771,829.75
  5. Step 5: Solve for x
    x = 34,996,771,829.75/213,998.78
  6. Step 6: Final answer
    x = 163,537.25

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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.