Home / 127,375.24-190,810.56-87,295.72

Finding the Fourth Proportional to 127,375.24, 190,810.56 and 87,295.72

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Solution

The fourth proportional to 127,375.24, 190,810.56 and 87,295.72 is: 130,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.24 : 190,810.56 = 87,295.72 : x
  2. Step 2: Convert to fraction form
    127,375.24/190,810.56 = 87,295.72/x
  3. Step 3: Cross multiply
    127,375.24x = 190,810.56 × 87,295.72
  4. Step 4: Simplify right side
    127,375.24x = 16,656,945,218.80
  5. Step 5: Solve for x
    x = 16,656,945,218.80/127,375.24
  6. Step 6: Final answer
    x = 130,770.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.