Home / 189,467.14-261,464.67-104,584.21

Finding the Fourth Proportional to 189,467.14, 261,464.67 and 104,584.21

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Solution

The fourth proportional to 189,467.14, 261,464.67 and 104,584.21 is: 144,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467.14 : 261,464.67 = 104,584.21 : x
  2. Step 2: Convert to fraction form
    189,467.14/261,464.67 = 104,584.21/x
  3. Step 3: Cross multiply
    189,467.14x = 261,464.67 × 104,584.21
  4. Step 4: Simplify right side
    189,467.14x = 27,345,075,954.86
  5. Step 5: Solve for x
    x = 27,345,075,954.86/189,467.14
  6. Step 6: Final answer
    x = 144,326.22

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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.