Home / 142,989.44-197,243.44-89,181.04

Finding the Fourth Proportional to 142,989.44, 197,243.44 and 89,181.04

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Solution

The fourth proportional to 142,989.44, 197,243.44 and 89,181.04 is: 123,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,989.44 : 197,243.44 = 89,181.04 : x
  2. Step 2: Convert to fraction form
    142,989.44/197,243.44 = 89,181.04/x
  3. Step 3: Cross multiply
    142,989.44x = 197,243.44 × 89,181.04
  4. Step 4: Simplify right side
    142,989.44x = 17,590,375,267.79
  5. Step 5: Solve for x
    x = 17,590,375,267.79/142,989.44
  6. Step 6: Final answer
    x = 123,018.70

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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.