Home / 124,183.06-186,302.36-45,297.28

Finding the Fourth Proportional to 124,183.06, 186,302.36 and 45,297.28

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Solution

The fourth proportional to 124,183.06, 186,302.36 and 45,297.28 is: 67,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,183.06 : 186,302.36 = 45,297.28 : x
  2. Step 2: Convert to fraction form
    124,183.06/186,302.36 = 45,297.28/x
  3. Step 3: Cross multiply
    124,183.06x = 186,302.36 × 45,297.28
  4. Step 4: Simplify right side
    124,183.06x = 8,438,990,776.09
  5. Step 5: Solve for x
    x = 8,438,990,776.09/124,183.06
  6. Step 6: Final answer
    x = 67,956.06

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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.