Home / 146,067.44-201,572.92-78,999.28

Finding the Fourth Proportional to 146,067.44, 201,572.92 and 78,999.28

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Solution

The fourth proportional to 146,067.44, 201,572.92 and 78,999.28 is: 109,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,067.44 : 201,572.92 = 78,999.28 : x
  2. Step 2: Convert to fraction form
    146,067.44/201,572.92 = 78,999.28/x
  3. Step 3: Cross multiply
    146,067.44x = 201,572.92 × 78,999.28
  4. Step 4: Simplify right side
    146,067.44x = 15,924,115,547.50
  5. Step 5: Solve for x
    x = 15,924,115,547.50/146,067.44
  6. Step 6: Final answer
    x = 109,018.93

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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.