Home / 113,555.34-156,837.69-77,682.42

Finding the Fourth Proportional to 113,555.34, 156,837.69 and 77,682.42

Calculator

Solution

The fourth proportional to 113,555.34, 156,837.69 and 77,682.42 is: 107,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,555.34 : 156,837.69 = 77,682.42 : x
  2. Step 2: Convert to fraction form
    113,555.34/156,837.69 = 77,682.42/x
  3. Step 3: Cross multiply
    113,555.34x = 156,837.69 × 77,682.42
  4. Step 4: Simplify right side
    113,555.34x = 12,183,531,306.41
  5. Step 5: Solve for x
    x = 12,183,531,306.41/113,555.34
  6. Step 6: Final answer
    x = 107,291.58

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.