Home / 145,723.11-201,075.62-82,059.27

Finding the Fourth Proportional to 145,723.11, 201,075.62 and 82,059.27

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Solution

The fourth proportional to 145,723.11, 201,075.62 and 82,059.27 is: 113,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,723.11 : 201,075.62 = 82,059.27 : x
  2. Step 2: Convert to fraction form
    145,723.11/201,075.62 = 82,059.27/x
  3. Step 3: Cross multiply
    145,723.11x = 201,075.62 × 82,059.27
  4. Step 4: Simplify right side
    145,723.11x = 16,500,118,181.70
  5. Step 5: Solve for x
    x = 16,500,118,181.70/145,723.11
  6. Step 6: Final answer
    x = 113,229.25

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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.