Home / 137,768.53-190,210.23-84,084.67

Finding the Fourth Proportional to 137,768.53, 190,210.23 and 84,084.67

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Solution

The fourth proportional to 137,768.53, 190,210.23 and 84,084.67 is: 116,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,768.53 : 190,210.23 = 84,084.67 : x
  2. Step 2: Convert to fraction form
    137,768.53/190,210.23 = 84,084.67/x
  3. Step 3: Cross multiply
    137,768.53x = 190,210.23 × 84,084.67
  4. Step 4: Simplify right side
    137,768.53x = 15,993,763,944.65
  5. Step 5: Solve for x
    x = 15,993,763,944.65/137,768.53
  6. Step 6: Final answer
    x = 116,091.56

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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.