Home / 189,905.13-262,058.43-103,847.04

Finding the Fourth Proportional to 189,905.13, 262,058.43 and 103,847.04

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Solution

The fourth proportional to 189,905.13, 262,058.43 and 103,847.04 is: 143,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,905.13 : 262,058.43 = 103,847.04 : x
  2. Step 2: Convert to fraction form
    189,905.13/262,058.43 = 103,847.04/x
  3. Step 3: Cross multiply
    189,905.13x = 262,058.43 × 103,847.04
  4. Step 4: Simplify right side
    189,905.13x = 27,213,992,262.55
  5. Step 5: Solve for x
    x = 27,213,992,262.55/189,905.13
  6. Step 6: Final answer
    x = 143,303.09

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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.