Home / 151,410.51-208,900.23-87,736.02

Finding the Fourth Proportional to 151,410.51, 208,900.23 and 87,736.02

Calculator

Solution

The fourth proportional to 151,410.51, 208,900.23 and 87,736.02 is: 121,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,410.51 : 208,900.23 = 87,736.02 : x
  2. Step 2: Convert to fraction form
    151,410.51/208,900.23 = 87,736.02/x
  3. Step 3: Cross multiply
    151,410.51x = 208,900.23 × 87,736.02
  4. Step 4: Simplify right side
    151,410.51x = 18,328,074,757.28
  5. Step 5: Solve for x
    x = 18,328,074,757.28/151,410.51
  6. Step 6: Final answer
    x = 121,048.89

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.