Home / 123,435.08-185,152.62-43,454.21

Finding the Fourth Proportional to 123,435.08, 185,152.62 and 43,454.21

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Solution

The fourth proportional to 123,435.08, 185,152.62 and 43,454.21 is: 65,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,435.08 : 185,152.62 = 43,454.21 : x
  2. Step 2: Convert to fraction form
    123,435.08/185,152.62 = 43,454.21/x
  3. Step 3: Cross multiply
    123,435.08x = 185,152.62 × 43,454.21
  4. Step 4: Simplify right side
    123,435.08x = 8,045,659,905.77
  5. Step 5: Solve for x
    x = 8,045,659,905.77/123,435.08
  6. Step 6: Final answer
    x = 65,181.31

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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.