Home / 123,050.36-169,809.60-66,461.78

Finding the Fourth Proportional to 123,050.36, 169,809.60 and 66,461.78

Calculator

Solution

The fourth proportional to 123,050.36, 169,809.60 and 66,461.78 is: 91,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,050.36 : 169,809.60 = 66,461.78 : x
  2. Step 2: Convert to fraction form
    123,050.36/169,809.60 = 66,461.78/x
  3. Step 3: Cross multiply
    123,050.36x = 169,809.60 × 66,461.78
  4. Step 4: Simplify right side
    123,050.36x = 11,285,848,277.09
  5. Step 5: Solve for x
    x = 11,285,848,277.09/123,050.36
  6. Step 6: Final answer
    x = 91,717.31

Related Problems

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.