Home / 145,859.37-201,285.91-82,199.44

Finding the Fourth Proportional to 145,859.37, 201,285.91 and 82,199.44

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Solution

The fourth proportional to 145,859.37, 201,285.91 and 82,199.44 is: 113,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859.37 : 201,285.91 = 82,199.44 : x
  2. Step 2: Convert to fraction form
    145,859.37/201,285.91 = 82,199.44/x
  3. Step 3: Cross multiply
    145,859.37x = 201,285.91 × 82,199.44
  4. Step 4: Simplify right side
    145,859.37x = 16,545,589,436.25
  5. Step 5: Solve for x
    x = 16,545,589,436.25/145,859.37
  6. Step 6: Final answer
    x = 113,435.22

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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.