Home / 142,974.44-214,533.18-64,145

Finding the Fourth Proportional to 142,974.44, 214,533.18 and 64,145

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Solution

The fourth proportional to 142,974.44, 214,533.18 and 64,145 is: 96,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,974.44 : 214,533.18 = 64,145 : x
  2. Step 2: Convert to fraction form
    142,974.44/214,533.18 = 64,145/x
  3. Step 3: Cross multiply
    142,974.44x = 214,533.18 × 64,145
  4. Step 4: Simplify right side
    142,974.44x = 13,761,230,831.10
  5. Step 5: Solve for x
    x = 13,761,230,831.10/142,974.44
  6. Step 6: Final answer
    x = 96,249.59

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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.