Home / 135,042.36-186,360.41-74,614.39

Finding the Fourth Proportional to 135,042.36, 186,360.41 and 74,614.39

Calculator

Solution

The fourth proportional to 135,042.36, 186,360.41 and 74,614.39 is: 102,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,042.36 : 186,360.41 = 74,614.39 : x
  2. Step 2: Convert to fraction form
    135,042.36/186,360.41 = 74,614.39/x
  3. Step 3: Cross multiply
    135,042.36x = 186,360.41 × 74,614.39
  4. Step 4: Simplify right side
    135,042.36x = 13,905,168,312.30
  5. Step 5: Solve for x
    x = 13,905,168,312.30/135,042.36
  6. Step 6: Final answer
    x = 102,968.94

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.