Home / 149,232.74-205,960.83-85,558.10

Finding the Fourth Proportional to 149,232.74, 205,960.83 and 85,558.10

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Solution

The fourth proportional to 149,232.74, 205,960.83 and 85,558.10 is: 118,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,232.74 : 205,960.83 = 85,558.10 : x
  2. Step 2: Convert to fraction form
    149,232.74/205,960.83 = 85,558.10/x
  3. Step 3: Cross multiply
    149,232.74x = 205,960.83 × 85,558.10
  4. Step 4: Simplify right side
    149,232.74x = 17,621,617,289.22
  5. Step 5: Solve for x
    x = 17,621,617,289.22/149,232.74
  6. Step 6: Final answer
    x = 118,081.44

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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.