Home / 148,830.63-223,247.79-43,651.77

Finding the Fourth Proportional to 148,830.63, 223,247.79 and 43,651.77

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Solution

The fourth proportional to 148,830.63, 223,247.79 and 43,651.77 is: 65,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,830.63 : 223,247.79 = 43,651.77 : x
  2. Step 2: Convert to fraction form
    148,830.63/223,247.79 = 43,651.77/x
  3. Step 3: Cross multiply
    148,830.63x = 223,247.79 × 43,651.77
  4. Step 4: Simplify right side
    148,830.63x = 9,745,161,182.09
  5. Step 5: Solve for x
    x = 9,745,161,182.09/148,830.63
  6. Step 6: Final answer
    x = 65,478.20

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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.