Home / 143,018.22-214,562.01-43,172.45

Finding the Fourth Proportional to 143,018.22, 214,562.01 and 43,172.45

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Solution

The fourth proportional to 143,018.22, 214,562.01 and 43,172.45 is: 64,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018.22 : 214,562.01 = 43,172.45 : x
  2. Step 2: Convert to fraction form
    143,018.22/214,562.01 = 43,172.45/x
  3. Step 3: Cross multiply
    143,018.22x = 214,562.01 × 43,172.45
  4. Step 4: Simplify right side
    143,018.22x = 9,263,167,542.32
  5. Step 5: Solve for x
    x = 9,263,167,542.32/143,018.22
  6. Step 6: Final answer
    x = 64,769.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.