Home / 220,254.45-303,926.76-122,135.22

Finding the Fourth Proportional to 220,254.45, 303,926.76 and 122,135.22

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Solution

The fourth proportional to 220,254.45, 303,926.76 and 122,135.22 is: 168,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,254.45 : 303,926.76 = 122,135.22 : x
  2. Step 2: Convert to fraction form
    220,254.45/303,926.76 = 122,135.22/x
  3. Step 3: Cross multiply
    220,254.45x = 303,926.76 × 122,135.22
  4. Step 4: Simplify right side
    220,254.45x = 37,120,161,849.16
  5. Step 5: Solve for x
    x = 37,120,161,849.16/220,254.45
  6. Step 6: Final answer
    x = 168,533.09

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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.