Home / 185,459.16-255,944.43-103,786.72

Finding the Fourth Proportional to 185,459.16, 255,944.43 and 103,786.72

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Solution

The fourth proportional to 185,459.16, 255,944.43 and 103,786.72 is: 143,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,459.16 : 255,944.43 = 103,786.72 : x
  2. Step 2: Convert to fraction form
    185,459.16/255,944.43 = 103,786.72/x
  3. Step 3: Cross multiply
    185,459.16x = 255,944.43 × 103,786.72
  4. Step 4: Simplify right side
    185,459.16x = 26,563,632,891.97
  5. Step 5: Solve for x
    x = 26,563,632,891.97/185,459.16
  6. Step 6: Final answer
    x = 143,231.71

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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.