Home / 123,664.20-185,501.70-40,558.20

Finding the Fourth Proportional to 123,664.20, 185,501.70 and 40,558.20

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Solution

The fourth proportional to 123,664.20, 185,501.70 and 40,558.20 is: 60,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,664.20 : 185,501.70 = 40,558.20 : x
  2. Step 2: Convert to fraction form
    123,664.20/185,501.70 = 40,558.20/x
  3. Step 3: Cross multiply
    123,664.20x = 185,501.70 × 40,558.20
  4. Step 4: Simplify right side
    123,664.20x = 7,523,615,048.94
  5. Step 5: Solve for x
    x = 7,523,615,048.94/123,664.20
  6. Step 6: Final answer
    x = 60,839.07

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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.