Home / 130,427.44-195,508.80-74,151.28

Finding the Fourth Proportional to 130,427.44, 195,508.80 and 74,151.28

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Solution

The fourth proportional to 130,427.44, 195,508.80 and 74,151.28 is: 111,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.44 : 195,508.80 = 74,151.28 : x
  2. Step 2: Convert to fraction form
    130,427.44/195,508.80 = 74,151.28/x
  3. Step 3: Cross multiply
    130,427.44x = 195,508.80 × 74,151.28
  4. Step 4: Simplify right side
    130,427.44x = 14,497,227,771.26
  5. Step 5: Solve for x
    x = 14,497,227,771.26/130,427.44
  6. Step 6: Final answer
    x = 111,151.67

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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.