Home / 112,391.15-155,110.52-61,411.63

Finding the Fourth Proportional to 112,391.15, 155,110.52 and 61,411.63

Calculator

Solution

The fourth proportional to 112,391.15, 155,110.52 and 61,411.63 is: 84,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,391.15 : 155,110.52 = 61,411.63 : x
  2. Step 2: Convert to fraction form
    112,391.15/155,110.52 = 61,411.63/x
  3. Step 3: Cross multiply
    112,391.15x = 155,110.52 × 61,411.63
  4. Step 4: Simplify right side
    112,391.15x = 9,525,589,750.18
  5. Step 5: Solve for x
    x = 9,525,589,750.18/112,391.15
  6. Step 6: Final answer
    x = 84,753.91

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.