Home / 189,905.11-262,058.44-103,847.04

Finding the Fourth Proportional to 189,905.11, 262,058.44 and 103,847.04

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Solution

The fourth proportional to 189,905.11, 262,058.44 and 103,847.04 is: 143,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,905.11 : 262,058.44 = 103,847.04 : x
  2. Step 2: Convert to fraction form
    189,905.11/262,058.44 = 103,847.04/x
  3. Step 3: Cross multiply
    189,905.11x = 262,058.44 × 103,847.04
  4. Step 4: Simplify right side
    189,905.11x = 27,213,993,301.02
  5. Step 5: Solve for x
    x = 27,213,993,301.02/189,905.11
  6. Step 6: Final answer
    x = 143,303.11

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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.