Home / 100,320.40-150,521.10-44,171.20

Finding the Fourth Proportional to 100,320.40, 150,521.10 and 44,171.20

Calculator

Solution

The fourth proportional to 100,320.40, 150,521.10 and 44,171.20 is: 66,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,320.40 : 150,521.10 = 44,171.20 : x
  2. Step 2: Convert to fraction form
    100,320.40/150,521.10 = 44,171.20/x
  3. Step 3: Cross multiply
    100,320.40x = 150,521.10 × 44,171.20
  4. Step 4: Simplify right side
    100,320.40x = 6,648,697,612.32
  5. Step 5: Solve for x
    x = 6,648,697,612.32/100,320.40
  6. Step 6: Final answer
    x = 66,274.63

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.