Home / 82,150.40-123,226.72-28,840.25

Finding the Fourth Proportional to 82,150.40, 123,226.72 and 28,840.25

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Solution

The fourth proportional to 82,150.40, 123,226.72 and 28,840.25 is: 43,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,150.40 : 123,226.72 = 28,840.25 : x
  2. Step 2: Convert to fraction form
    82,150.40/123,226.72 = 28,840.25/x
  3. Step 3: Cross multiply
    82,150.40x = 123,226.72 × 28,840.25
  4. Step 4: Simplify right side
    82,150.40x = 3,553,889,647.45
  5. Step 5: Solve for x
    x = 3,553,889,647.45/82,150.40
  6. Step 6: Final answer
    x = 43,260.77

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1.5x scale

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.