Home / 281,681.39-422,226.83-104,075.12

Finding the Fourth Proportional to 281,681.39, 422,226.83 and 104,075.12

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Solution

The fourth proportional to 281,681.39, 422,226.83 and 104,075.12 is: 156,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,681.39 : 422,226.83 = 104,075.12 : x
  2. Step 2: Convert to fraction form
    281,681.39/422,226.83 = 104,075.12/x
  3. Step 3: Cross multiply
    281,681.39x = 422,226.83 × 104,075.12
  4. Step 4: Simplify right side
    281,681.39x = 43,943,307,999.47
  5. Step 5: Solve for x
    x = 43,943,307,999.47/281,681.39
  6. Step 6: Final answer
    x = 156,003.59

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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.