Home / 222,420.24-306,927.77-131,784.55

Finding the Fourth Proportional to 222,420.24, 306,927.77 and 131,784.55

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Solution

The fourth proportional to 222,420.24, 306,927.77 and 131,784.55 is: 181,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,420.24 : 306,927.77 = 131,784.55 : x
  2. Step 2: Convert to fraction form
    222,420.24/306,927.77 = 131,784.55/x
  3. Step 3: Cross multiply
    222,420.24x = 306,927.77 × 131,784.55
  4. Step 4: Simplify right side
    222,420.24x = 40,448,338,586.26
  5. Step 5: Solve for x
    x = 40,448,338,586.26/222,420.24
  6. Step 6: Final answer
    x = 181,855.47

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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.