Home / 123,628.48-185,450.56-47,763.20

Finding the Fourth Proportional to 123,628.48, 185,450.56 and 47,763.20

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Solution

The fourth proportional to 123,628.48, 185,450.56 and 47,763.20 is: 71,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.48 : 185,450.56 = 47,763.20 : x
  2. Step 2: Convert to fraction form
    123,628.48/185,450.56 = 47,763.20/x
  3. Step 3: Cross multiply
    123,628.48x = 185,450.56 × 47,763.20
  4. Step 4: Simplify right side
    123,628.48x = 8,857,712,187.39
  5. Step 5: Solve for x
    x = 8,857,712,187.39/123,628.48
  6. Step 6: Final answer
    x = 71,647.83

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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.