Home / 200,148.48-300,221.91-80,259.03

Finding the Fourth Proportional to 200,148.48, 300,221.91 and 80,259.03

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Solution

The fourth proportional to 200,148.48, 300,221.91 and 80,259.03 is: 120,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,148.48 : 300,221.91 = 80,259.03 : x
  2. Step 2: Convert to fraction form
    200,148.48/300,221.91 = 80,259.03/x
  3. Step 3: Cross multiply
    200,148.48x = 300,221.91 × 80,259.03
  4. Step 4: Simplify right side
    200,148.48x = 24,095,519,281.35
  5. Step 5: Solve for x
    x = 24,095,519,281.35/200,148.48
  6. Step 6: Final answer
    x = 120,388.22

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1.5x scale

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.