Home / 145,984.44-201,458.16-82,321.76

Finding the Fourth Proportional to 145,984.44, 201,458.16 and 82,321.76

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Solution

The fourth proportional to 145,984.44, 201,458.16 and 82,321.76 is: 113,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,984.44 : 201,458.16 = 82,321.76 : x
  2. Step 2: Convert to fraction form
    145,984.44/201,458.16 = 82,321.76/x
  3. Step 3: Cross multiply
    145,984.44x = 201,458.16 × 82,321.76
  4. Step 4: Simplify right side
    145,984.44x = 16,584,390,297.56
  5. Step 5: Solve for x
    x = 16,584,390,297.56/145,984.44
  6. Step 6: Final answer
    x = 113,603.82

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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.