Home / 148,789.70-223,186.37-43,610.80

Finding the Fourth Proportional to 148,789.70, 223,186.37 and 43,610.80

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Solution

The fourth proportional to 148,789.70, 223,186.37 and 43,610.80 is: 65,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,789.70 : 223,186.37 = 43,610.80 : x
  2. Step 2: Convert to fraction form
    148,789.70/223,186.37 = 43,610.80/x
  3. Step 3: Cross multiply
    148,789.70x = 223,186.37 × 43,610.80
  4. Step 4: Simplify right side
    148,789.70x = 9,733,334,810.81
  5. Step 5: Solve for x
    x = 9,733,334,810.81/148,789.70
  6. Step 6: Final answer
    x = 65,416.72

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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.