Home / 148,961.80-223,478.70-43,780.60

Finding the Fourth Proportional to 148,961.80, 223,478.70 and 43,780.60

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Solution

The fourth proportional to 148,961.80, 223,478.70 and 43,780.60 is: 65,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.80 : 223,478.70 = 43,780.60 : x
  2. Step 2: Convert to fraction form
    148,961.80/223,478.70 = 43,780.60/x
  3. Step 3: Cross multiply
    148,961.80x = 223,478.70 × 43,780.60
  4. Step 4: Simplify right side
    148,961.80x = 9,784,031,573.22
  5. Step 5: Solve for x
    x = 9,784,031,573.22/148,961.80
  6. Step 6: Final answer
    x = 65,681.48

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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.