Home / 136,668.06-188,537.63-88,903.98

Finding the Fourth Proportional to 136,668.06, 188,537.63 and 88,903.98

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Solution

The fourth proportional to 136,668.06, 188,537.63 and 88,903.98 is: 122,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,668.06 : 188,537.63 = 88,903.98 : x
  2. Step 2: Convert to fraction form
    136,668.06/188,537.63 = 88,903.98/x
  3. Step 3: Cross multiply
    136,668.06x = 188,537.63 × 88,903.98
  4. Step 4: Simplify right side
    136,668.06x = 16,761,745,242.25
  5. Step 5: Solve for x
    x = 16,761,745,242.25/136,668.06
  6. Step 6: Final answer
    x = 122,645.67

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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.