Home / 148,964.80-223,483.20-43,783.60

Finding the Fourth Proportional to 148,964.80, 223,483.20 and 43,783.60

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Solution

The fourth proportional to 148,964.80, 223,483.20 and 43,783.60 is: 65,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.80 : 223,483.20 = 43,783.60 : x
  2. Step 2: Convert to fraction form
    148,964.80/223,483.20 = 43,783.60/x
  3. Step 3: Cross multiply
    148,964.80x = 223,483.20 × 43,783.60
  4. Step 4: Simplify right side
    148,964.80x = 9,784,899,035.52
  5. Step 5: Solve for x
    x = 9,784,899,035.52/148,964.80
  6. Step 6: Final answer
    x = 65,685.98

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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.