Home / 142,989.44-197,243.45-89,181.05

Finding the Fourth Proportional to 142,989.44, 197,243.45 and 89,181.05

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Solution

The fourth proportional to 142,989.44, 197,243.45 and 89,181.05 is: 123,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,989.44 : 197,243.45 = 89,181.05 : x
  2. Step 2: Convert to fraction form
    142,989.44/197,243.45 = 89,181.05/x
  3. Step 3: Cross multiply
    142,989.44x = 197,243.45 × 89,181.05
  4. Step 4: Simplify right side
    142,989.44x = 17,590,376,544.50
  5. Step 5: Solve for x
    x = 17,590,376,544.50/142,989.44
  6. Step 6: Final answer
    x = 123,018.71

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1.5x scale

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.