Home / 151,580.56-209,181.64-84,514.96

Finding the Fourth Proportional to 151,580.56, 209,181.64 and 84,514.96

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Solution

The fourth proportional to 151,580.56, 209,181.64 and 84,514.96 is: 116,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,580.56 : 209,181.64 = 84,514.96 : x
  2. Step 2: Convert to fraction form
    151,580.56/209,181.64 = 84,514.96/x
  3. Step 3: Cross multiply
    151,580.56x = 209,181.64 × 84,514.96
  4. Step 4: Simplify right side
    151,580.56x = 17,678,977,937.33
  5. Step 5: Solve for x
    x = 17,678,977,937.33/151,580.56
  6. Step 6: Final answer
    x = 116,630.91

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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.