Home / 137,626.60-189,927.78-83,914.60

Finding the Fourth Proportional to 137,626.60, 189,927.78 and 83,914.60

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Solution

The fourth proportional to 137,626.60, 189,927.78 and 83,914.60 is: 115,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,626.60 : 189,927.78 = 83,914.60 : x
  2. Step 2: Convert to fraction form
    137,626.60/189,927.78 = 83,914.60/x
  3. Step 3: Cross multiply
    137,626.60x = 189,927.78 × 83,914.60
  4. Step 4: Simplify right side
    137,626.60x = 15,937,713,687.59
  5. Step 5: Solve for x
    x = 15,937,713,687.59/137,626.60
  6. Step 6: Final answer
    x = 115,804.02

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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.