Home / 112,888.27-155,787.57-61,905.66

Finding the Fourth Proportional to 112,888.27, 155,787.57 and 61,905.66

Calculator

Solution

The fourth proportional to 112,888.27, 155,787.57 and 61,905.66 is: 85,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888.27 : 155,787.57 = 61,905.66 : x
  2. Step 2: Convert to fraction form
    112,888.27/155,787.57 = 61,905.66/x
  3. Step 3: Cross multiply
    112,888.27x = 155,787.57 × 61,905.66
  4. Step 4: Simplify right side
    112,888.27x = 9,644,131,756.44
  5. Step 5: Solve for x
    x = 9,644,131,756.44/112,888.27
  6. Step 6: Final answer
    x = 85,430.77

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.