Home / 145,259.62-200,478.45-81,602.26

Finding the Fourth Proportional to 145,259.62, 200,478.45 and 81,602.26

Calculator

Solution

The fourth proportional to 145,259.62, 200,478.45 and 81,602.26 is: 112,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,259.62 : 200,478.45 = 81,602.26 : x
  2. Step 2: Convert to fraction form
    145,259.62/200,478.45 = 81,602.26/x
  3. Step 3: Cross multiply
    145,259.62x = 200,478.45 × 81,602.26
  4. Step 4: Simplify right side
    145,259.62x = 16,359,494,601.30
  5. Step 5: Solve for x
    x = 16,359,494,601.30/145,259.62
  6. Step 6: Final answer
    x = 112,622.45

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.