Home / 220,564.06-304,280.79-135,630.94

Finding the Fourth Proportional to 220,564.06, 304,280.79 and 135,630.94

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Solution

The fourth proportional to 220,564.06, 304,280.79 and 135,630.94 is: 187,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,564.06 : 304,280.79 = 135,630.94 : x
  2. Step 2: Convert to fraction form
    220,564.06/304,280.79 = 135,630.94/x
  3. Step 3: Cross multiply
    220,564.06x = 304,280.79 × 135,630.94
  4. Step 4: Simplify right side
    220,564.06x = 41,269,889,571.64
  5. Step 5: Solve for x
    x = 41,269,889,571.64/220,564.06
  6. Step 6: Final answer
    x = 187,110.67

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1.5x scale

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.