Home / 156,938.51-236,261.80-142,988.15

Finding the Fourth Proportional to 156,938.51, 236,261.80 and 142,988.15

Calculator

Solution

The fourth proportional to 156,938.51, 236,261.80 and 142,988.15 is: 215,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.51 : 236,261.80 = 142,988.15 : x
  2. Step 2: Convert to fraction form
    156,938.51/236,261.80 = 142,988.15/x
  3. Step 3: Cross multiply
    156,938.51x = 236,261.80 × 142,988.15
  4. Step 4: Simplify right side
    156,938.51x = 33,782,637,697.67
  5. Step 5: Solve for x
    x = 33,782,637,697.67/156,938.51
  6. Step 6: Final answer
    x = 215,260.34

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.