Home / 149,026.52-223,638.26-70,163.30

Finding the Fourth Proportional to 149,026.52, 223,638.26 and 70,163.30

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Solution

The fourth proportional to 149,026.52, 223,638.26 and 70,163.30 is: 105,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,026.52 : 223,638.26 = 70,163.30 : x
  2. Step 2: Convert to fraction form
    149,026.52/223,638.26 = 70,163.30/x
  3. Step 3: Cross multiply
    149,026.52x = 223,638.26 × 70,163.30
  4. Step 4: Simplify right side
    149,026.52x = 15,691,196,858.85
  5. Step 5: Solve for x
    x = 15,691,196,858.85/149,026.52
  6. Step 6: Final answer
    x = 105,291.31

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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.