Home / 145,255.43-217,895.69-40,074.39

Finding the Fourth Proportional to 145,255.43, 217,895.69 and 40,074.39

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Solution

The fourth proportional to 145,255.43, 217,895.69 and 40,074.39 is: 60,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,255.43 : 217,895.69 = 40,074.39 : x
  2. Step 2: Convert to fraction form
    145,255.43/217,895.69 = 40,074.39/x
  3. Step 3: Cross multiply
    145,255.43x = 217,895.69 × 40,074.39
  4. Step 4: Simplify right side
    145,255.43x = 8,732,036,660.01
  5. Step 5: Solve for x
    x = 8,732,036,660.01/145,255.43
  6. Step 6: Final answer
    x = 60,115.05

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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.