Home / 222,974.07-307,704.42-127,482.76

Finding the Fourth Proportional to 222,974.07, 307,704.42 and 127,482.76

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Solution

The fourth proportional to 222,974.07, 307,704.42 and 127,482.76 is: 175,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,974.07 : 307,704.42 = 127,482.76 : x
  2. Step 2: Convert to fraction form
    222,974.07/307,704.42 = 127,482.76/x
  3. Step 3: Cross multiply
    222,974.07x = 307,704.42 × 127,482.76
  4. Step 4: Simplify right side
    222,974.07x = 39,227,009,110.43
  5. Step 5: Solve for x
    x = 39,227,009,110.43/222,974.07
  6. Step 6: Final answer
    x = 175,926.33

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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.