Home / 145,845.30-201,264.90-82,183.02

Finding the Fourth Proportional to 145,845.30, 201,264.90 and 82,183.02

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Solution

The fourth proportional to 145,845.30, 201,264.90 and 82,183.02 is: 113,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.30 : 201,264.90 = 82,183.02 : x
  2. Step 2: Convert to fraction form
    145,845.30/201,264.90 = 82,183.02/x
  3. Step 3: Cross multiply
    145,845.30x = 201,264.90 × 82,183.02
  4. Step 4: Simplify right side
    145,845.30x = 16,540,557,302.00
  5. Step 5: Solve for x
    x = 16,540,557,302.00/145,845.30
  6. Step 6: Final answer
    x = 113,411.66

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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.