Home / 113,183.46-155,995.47-82,904.45

Finding the Fourth Proportional to 113,183.46, 155,995.47 and 82,904.45

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Solution

The fourth proportional to 113,183.46, 155,995.47 and 82,904.45 is: 114,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,183.46 : 155,995.47 = 82,904.45 : x
  2. Step 2: Convert to fraction form
    113,183.46/155,995.47 = 82,904.45/x
  3. Step 3: Cross multiply
    113,183.46x = 155,995.47 × 82,904.45
  4. Step 4: Simplify right side
    113,183.46x = 12,932,718,642.84
  5. Step 5: Solve for x
    x = 12,932,718,642.84/113,183.46
  6. Step 6: Final answer
    x = 114,263.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.