Home / 146,136.40-201,646.60-88,745.86

Finding the Fourth Proportional to 146,136.40, 201,646.60 and 88,745.86

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Solution

The fourth proportional to 146,136.40, 201,646.60 and 88,745.86 is: 122,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,136.40 : 201,646.60 = 88,745.86 : x
  2. Step 2: Convert to fraction form
    146,136.40/201,646.60 = 88,745.86/x
  3. Step 3: Cross multiply
    146,136.40x = 201,646.60 × 88,745.86
  4. Step 4: Simplify right side
    146,136.40x = 17,895,300,933.08
  5. Step 5: Solve for x
    x = 17,895,300,933.08/146,136.40
  6. Step 6: Final answer
    x = 122,456.15

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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.