Home / 148,936.80-223,405.20-141,679.20

Finding the Fourth Proportional to 148,936.80, 223,405.20 and 141,679.20

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Solution

The fourth proportional to 148,936.80, 223,405.20 and 141,679.20 is: 212,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.80 : 223,405.20 = 141,679.20 : x
  2. Step 2: Convert to fraction form
    148,936.80/223,405.20 = 141,679.20/x
  3. Step 3: Cross multiply
    148,936.80x = 223,405.20 × 141,679.20
  4. Step 4: Simplify right side
    148,936.80x = 31,651,870,011.84
  5. Step 5: Solve for x
    x = 31,651,870,011.84/148,936.80
  6. Step 6: Final answer
    x = 212,518.80

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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.