Home / 107,437.44-148,309.13-72,519.65

Finding the Fourth Proportional to 107,437.44, 148,309.13 and 72,519.65

Calculator

Solution

The fourth proportional to 107,437.44, 148,309.13 and 72,519.65 is: 100,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.44 : 148,309.13 = 72,519.65 : x
  2. Step 2: Convert to fraction form
    107,437.44/148,309.13 = 72,519.65/x
  3. Step 3: Cross multiply
    107,437.44x = 148,309.13 × 72,519.65
  4. Step 4: Simplify right side
    107,437.44x = 10,755,326,621.63
  5. Step 5: Solve for x
    x = 10,755,326,621.63/107,437.44
  6. Step 6: Final answer
    x = 100,107.81

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.