Home / 145,965.75-218,947.32-46,125.96

Finding the Fourth Proportional to 145,965.75, 218,947.32 and 46,125.96

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Solution

The fourth proportional to 145,965.75, 218,947.32 and 46,125.96 is: 69,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965.75 : 218,947.32 = 46,125.96 : x
  2. Step 2: Convert to fraction form
    145,965.75/218,947.32 = 46,125.96/x
  3. Step 3: Cross multiply
    145,965.75x = 218,947.32 × 46,125.96
  4. Step 4: Simplify right side
    145,965.75x = 10,099,155,324.43
  5. Step 5: Solve for x
    x = 10,099,155,324.43/145,965.75
  6. Step 6: Final answer
    x = 69,188.53

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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.