Home / 145,674.12-218,511.26-40,494

Finding the Fourth Proportional to 145,674.12, 218,511.26 and 40,494

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Solution

The fourth proportional to 145,674.12, 218,511.26 and 40,494 is: 60,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,674.12 : 218,511.26 = 40,494 : x
  2. Step 2: Convert to fraction form
    145,674.12/218,511.26 = 40,494/x
  3. Step 3: Cross multiply
    145,674.12x = 218,511.26 × 40,494
  4. Step 4: Simplify right side
    145,674.12x = 8,848,394,962.44
  5. Step 5: Solve for x
    x = 8,848,394,962.44/145,674.12
  6. Step 6: Final answer
    x = 60,741.02

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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.