Home / 215,678.26-297,653.16-118,899.33

Finding the Fourth Proportional to 215,678.26, 297,653.16 and 118,899.33

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Solution

The fourth proportional to 215,678.26, 297,653.16 and 118,899.33 is: 164,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678.26 : 297,653.16 = 118,899.33 : x
  2. Step 2: Convert to fraction form
    215,678.26/297,653.16 = 118,899.33/x
  3. Step 3: Cross multiply
    215,678.26x = 297,653.16 × 118,899.33
  4. Step 4: Simplify right side
    215,678.26x = 35,390,760,626.06
  5. Step 5: Solve for x
    x = 35,390,760,626.06/215,678.26
  6. Step 6: Final answer
    x = 164,090.53

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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.