Home / 189,450.45-261,443.79-104,567.58

Finding the Fourth Proportional to 189,450.45, 261,443.79 and 104,567.58

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Solution

The fourth proportional to 189,450.45, 261,443.79 and 104,567.58 is: 144,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,450.45 : 261,443.79 = 104,567.58 : x
  2. Step 2: Convert to fraction form
    189,450.45/261,443.79 = 104,567.58/x
  3. Step 3: Cross multiply
    189,450.45x = 261,443.79 × 104,567.58
  4. Step 4: Simplify right side
    189,450.45x = 27,338,544,426.33
  5. Step 5: Solve for x
    x = 27,338,544,426.33/189,450.45
  6. Step 6: Final answer
    x = 144,304.46

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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.