Home / 145,255.80-217,896.25-40,074.77

Finding the Fourth Proportional to 145,255.80, 217,896.25 and 40,074.77

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Solution

The fourth proportional to 145,255.80, 217,896.25 and 40,074.77 is: 60,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,255.80 : 217,896.25 = 40,074.77 : x
  2. Step 2: Convert to fraction form
    145,255.80/217,896.25 = 40,074.77/x
  3. Step 3: Cross multiply
    145,255.80x = 217,896.25 × 40,074.77
  4. Step 4: Simplify right side
    145,255.80x = 8,732,140,812.76
  5. Step 5: Solve for x
    x = 8,732,140,812.76/145,255.80
  6. Step 6: Final answer
    x = 60,115.61

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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.