Home / 187,012.80-257,810.85-115,344.81

Finding the Fourth Proportional to 187,012.80, 257,810.85 and 115,344.81

Calculator

Solution

The fourth proportional to 187,012.80, 257,810.85 and 115,344.81 is: 159,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,012.80 : 257,810.85 = 115,344.81 : x
  2. Step 2: Convert to fraction form
    187,012.80/257,810.85 = 115,344.81/x
  3. Step 3: Cross multiply
    187,012.80x = 257,810.85 × 115,344.81
  4. Step 4: Simplify right side
    187,012.80x = 29,737,143,509.19
  5. Step 5: Solve for x
    x = 29,737,143,509.19/187,012.80
  6. Step 6: Final answer
    x = 159,011.27

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.