Home / 180,367.20-248,890.36-103,865.92

Finding the Fourth Proportional to 180,367.20, 248,890.36 and 103,865.92

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Solution

The fourth proportional to 180,367.20, 248,890.36 and 103,865.92 is: 143,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,367.20 : 248,890.36 = 103,865.92 : x
  2. Step 2: Convert to fraction form
    180,367.20/248,890.36 = 103,865.92/x
  3. Step 3: Cross multiply
    180,367.20x = 248,890.36 × 103,865.92
  4. Step 4: Simplify right side
    180,367.20x = 25,851,226,220.53
  5. Step 5: Solve for x
    x = 25,851,226,220.53/180,367.20
  6. Step 6: Final answer
    x = 143,325.54

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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.