Home / 189,368.37-261,328.17-104,485.44

Finding the Fourth Proportional to 189,368.37, 261,328.17 and 104,485.44

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Solution

The fourth proportional to 189,368.37, 261,328.17 and 104,485.44 is: 144,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,368.37 : 261,328.17 = 104,485.44 : x
  2. Step 2: Convert to fraction form
    189,368.37/261,328.17 = 104,485.44/x
  3. Step 3: Cross multiply
    189,368.37x = 261,328.17 × 104,485.44
  4. Step 4: Simplify right side
    189,368.37x = 27,304,988,826.84
  5. Step 5: Solve for x
    x = 27,304,988,826.84/189,368.37
  6. Step 6: Final answer
    x = 144,189.81

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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.