Home / 226,090.44-312,008.72-124,125.39

Finding the Fourth Proportional to 226,090.44, 312,008.72 and 124,125.39

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Solution

The fourth proportional to 226,090.44, 312,008.72 and 124,125.39 is: 171,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,090.44 : 312,008.72 = 124,125.39 : x
  2. Step 2: Convert to fraction form
    226,090.44/312,008.72 = 124,125.39/x
  3. Step 3: Cross multiply
    226,090.44x = 312,008.72 × 124,125.39
  4. Step 4: Simplify right side
    226,090.44x = 38,728,203,432.77
  5. Step 5: Solve for x
    x = 38,728,203,432.77/226,090.44
  6. Step 6: Final answer
    x = 171,295.18

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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.