Home / 145,439.25-218,104.87-50,645.10

Finding the Fourth Proportional to 145,439.25, 218,104.87 and 50,645.10

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Solution

The fourth proportional to 145,439.25, 218,104.87 and 50,645.10 is: 75,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,439.25 : 218,104.87 = 50,645.10 : x
  2. Step 2: Convert to fraction form
    145,439.25/218,104.87 = 50,645.10/x
  3. Step 3: Cross multiply
    145,439.25x = 218,104.87 × 50,645.10
  4. Step 4: Simplify right side
    145,439.25x = 11,045,942,511.04
  5. Step 5: Solve for x
    x = 11,045,942,511.04/145,439.25
  6. Step 6: Final answer
    x = 75,948.84

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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.