Home / 107,222.30-147,963.91-61,898.75

Finding the Fourth Proportional to 107,222.30, 147,963.91 and 61,898.75

Calculator

Solution

The fourth proportional to 107,222.30, 147,963.91 and 61,898.75 is: 85,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,222.30 : 147,963.91 = 61,898.75 : x
  2. Step 2: Convert to fraction form
    107,222.30/147,963.91 = 61,898.75/x
  3. Step 3: Cross multiply
    107,222.30x = 147,963.91 × 61,898.75
  4. Step 4: Simplify right side
    107,222.30x = 9,158,781,074.11
  5. Step 5: Solve for x
    x = 9,158,781,074.11/107,222.30
  6. Step 6: Final answer
    x = 85,418.62

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.