Home / 127,628.82-176,135.67-106,371.18

Finding the Fourth Proportional to 127,628.82, 176,135.67 and 106,371.18

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Solution

The fourth proportional to 127,628.82, 176,135.67 and 106,371.18 is: 146,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,628.82 : 176,135.67 = 106,371.18 : x
  2. Step 2: Convert to fraction form
    127,628.82/176,135.67 = 106,371.18/x
  3. Step 3: Cross multiply
    127,628.82x = 176,135.67 × 106,371.18
  4. Step 4: Simplify right side
    127,628.82x = 18,735,759,057.99
  5. Step 5: Solve for x
    x = 18,735,759,057.99/127,628.82
  6. Step 6: Final answer
    x = 146,798.81

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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.