Home / 137,285.08-189,355.71-125,991.04

Finding the Fourth Proportional to 137,285.08, 189,355.71 and 125,991.04

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Solution

The fourth proportional to 137,285.08, 189,355.71 and 125,991.04 is: 173,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,285.08 : 189,355.71 = 125,991.04 : x
  2. Step 2: Convert to fraction form
    137,285.08/189,355.71 = 125,991.04/x
  3. Step 3: Cross multiply
    137,285.08x = 189,355.71 × 125,991.04
  4. Step 4: Simplify right side
    137,285.08x = 23,857,122,832.84
  5. Step 5: Solve for x
    x = 23,857,122,832.84/137,285.08
  6. Step 6: Final answer
    x = 173,777.97

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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.