Home / 107,626.10-161,439.15-82,714.10

Finding the Fourth Proportional to 107,626.10, 161,439.15 and 82,714.10

Calculator

Solution

The fourth proportional to 107,626.10, 161,439.15 and 82,714.10 is: 124,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,626.10 : 161,439.15 = 82,714.10 : x
  2. Step 2: Convert to fraction form
    107,626.10/161,439.15 = 82,714.10/x
  3. Step 3: Cross multiply
    107,626.10x = 161,439.15 × 82,714.10
  4. Step 4: Simplify right side
    107,626.10x = 13,353,293,997.02
  5. Step 5: Solve for x
    x = 13,353,293,997.02/107,626.10
  6. Step 6: Final answer
    x = 124,071.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.