Home / 144,051.09-198,801.75-80,398.45

Finding the Fourth Proportional to 144,051.09, 198,801.75 and 80,398.45

Calculator

Solution

The fourth proportional to 144,051.09, 198,801.75 and 80,398.45 is: 110,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.09 : 198,801.75 = 80,398.45 : x
  2. Step 2: Convert to fraction form
    144,051.09/198,801.75 = 80,398.45/x
  3. Step 3: Cross multiply
    144,051.09x = 198,801.75 × 80,398.45
  4. Step 4: Simplify right side
    144,051.09x = 15,983,352,557.29
  5. Step 5: Solve for x
    x = 15,983,352,557.29/144,051.09
  6. Step 6: Final answer
    x = 110,956.14

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.