Home / 113,839.40-170,643.90-67,068.20

Finding the Fourth Proportional to 113,839.40, 170,643.90 and 67,068.20

Calculator

Solution

The fourth proportional to 113,839.40, 170,643.90 and 67,068.20 is: 100,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.40 : 170,643.90 = 67,068.20 : x
  2. Step 2: Convert to fraction form
    113,839.40/170,643.90 = 67,068.20/x
  3. Step 3: Cross multiply
    113,839.40x = 170,643.90 × 67,068.20
  4. Step 4: Simplify right side
    113,839.40x = 11,444,779,213.98
  5. Step 5: Solve for x
    x = 11,444,779,213.98/113,839.40
  6. Step 6: Final answer
    x = 100,534.43

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.