Home / 148,973.76-223,390.38-54,137.24

Finding the Fourth Proportional to 148,973.76, 223,390.38 and 54,137.24

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Solution

The fourth proportional to 148,973.76, 223,390.38 and 54,137.24 is: 81,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,973.76 : 223,390.38 = 54,137.24 : x
  2. Step 2: Convert to fraction form
    148,973.76/223,390.38 = 54,137.24/x
  3. Step 3: Cross multiply
    148,973.76x = 223,390.38 × 54,137.24
  4. Step 4: Simplify right side
    148,973.76x = 12,093,738,615.75
  5. Step 5: Solve for x
    x = 12,093,738,615.75/148,973.76
  6. Step 6: Final answer
    x = 81,180.33

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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.