Home / 142,260.14-213,390.21-42,490.42

Finding the Fourth Proportional to 142,260.14, 213,390.21 and 42,490.42

Calculator

Solution

The fourth proportional to 142,260.14, 213,390.21 and 42,490.42 is: 63,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,260.14 : 213,390.21 = 42,490.42 : x
  2. Step 2: Convert to fraction form
    142,260.14/213,390.21 = 42,490.42/x
  3. Step 3: Cross multiply
    142,260.14x = 213,390.21 × 42,490.42
  4. Step 4: Simplify right side
    142,260.14x = 9,067,039,646.79
  5. Step 5: Solve for x
    x = 9,067,039,646.79/142,260.14
  6. Step 6: Final answer
    x = 63,735.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.