Home / 137,285.16-189,355.83-125,991.14

Finding the Fourth Proportional to 137,285.16, 189,355.83 and 125,991.14

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Solution

The fourth proportional to 137,285.16, 189,355.83 and 125,991.14 is: 173,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,285.16 : 189,355.83 = 125,991.14 : x
  2. Step 2: Convert to fraction form
    137,285.16/189,355.83 = 125,991.14/x
  3. Step 3: Cross multiply
    137,285.16x = 189,355.83 × 125,991.14
  4. Step 4: Simplify right side
    137,285.16x = 23,857,155,940.57
  5. Step 5: Solve for x
    x = 23,857,155,940.57/137,285.16
  6. Step 6: Final answer
    x = 173,778.11

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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.