Home / 145,266.35-200,467.41-80,733.54

Finding the Fourth Proportional to 145,266.35, 200,467.41 and 80,733.54

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Solution

The fourth proportional to 145,266.35, 200,467.41 and 80,733.54 is: 111,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,266.35 : 200,467.41 = 80,733.54 : x
  2. Step 2: Convert to fraction form
    145,266.35/200,467.41 = 80,733.54/x
  3. Step 3: Cross multiply
    145,266.35x = 200,467.41 × 80,733.54
  4. Step 4: Simplify right side
    145,266.35x = 16,184,444,112.93
  5. Step 5: Solve for x
    x = 16,184,444,112.93/145,266.35
  6. Step 6: Final answer
    x = 111,412.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.