Home / 105,214.80-145,194.18-57,468.36

Finding the Fourth Proportional to 105,214.80, 145,194.18 and 57,468.36

Calculator

Solution

The fourth proportional to 105,214.80, 145,194.18 and 57,468.36 is: 79,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.80 : 145,194.18 = 57,468.36 : x
  2. Step 2: Convert to fraction form
    105,214.80/145,194.18 = 57,468.36/x
  3. Step 3: Cross multiply
    105,214.80x = 145,194.18 × 57,468.36
  4. Step 4: Simplify right side
    105,214.80x = 8,344,071,406.14
  5. Step 5: Solve for x
    x = 8,344,071,406.14/105,214.80
  6. Step 6: Final answer
    x = 79,305.11

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.