Home / 126,028.24-188,948.64-54,937.40

Finding the Fourth Proportional to 126,028.24, 188,948.64 and 54,937.40

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Solution

The fourth proportional to 126,028.24, 188,948.64 and 54,937.40 is: 82,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.24 : 188,948.64 = 54,937.40 : x
  2. Step 2: Convert to fraction form
    126,028.24/188,948.64 = 54,937.40/x
  3. Step 3: Cross multiply
    126,028.24x = 188,948.64 × 54,937.40
  4. Step 4: Simplify right side
    126,028.24x = 10,380,347,015.14
  5. Step 5: Solve for x
    x = 10,380,347,015.14/126,028.24
  6. Step 6: Final answer
    x = 82,365.25

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1.5x scale

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.