Home / 135,668.40-187,210.14-75,238.92

Finding the Fourth Proportional to 135,668.40, 187,210.14 and 75,238.92

Calculator

Solution

The fourth proportional to 135,668.40, 187,210.14 and 75,238.92 is: 103,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,668.40 : 187,210.14 = 75,238.92 : x
  2. Step 2: Convert to fraction form
    135,668.40/187,210.14 = 75,238.92/x
  3. Step 3: Cross multiply
    135,668.40x = 187,210.14 × 75,238.92
  4. Step 4: Simplify right side
    135,668.40x = 14,085,488,746.65
  5. Step 5: Solve for x
    x = 14,085,488,746.65/135,668.40
  6. Step 6: Final answer
    x = 103,822.91

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.