Home / 126,384.08-189,634.73-55,297.34

Finding the Fourth Proportional to 126,384.08, 189,634.73 and 55,297.34

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Solution

The fourth proportional to 126,384.08, 189,634.73 and 55,297.34 is: 82,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.08 : 189,634.73 = 55,297.34 : x
  2. Step 2: Convert to fraction form
    126,384.08/189,634.73 = 55,297.34/x
  3. Step 3: Cross multiply
    126,384.08x = 189,634.73 × 55,297.34
  4. Step 4: Simplify right side
    126,384.08x = 10,486,296,338.22
  5. Step 5: Solve for x
    x = 10,486,296,338.22/126,384.08
  6. Step 6: Final answer
    x = 82,971.65

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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.