Home / 185,815.20-278,722.80-156,946.80

Finding the Fourth Proportional to 185,815.20, 278,722.80 and 156,946.80

Calculator

Solution

The fourth proportional to 185,815.20, 278,722.80 and 156,946.80 is: 235,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.20 : 278,722.80 = 156,946.80 : x
  2. Step 2: Convert to fraction form
    185,815.20/278,722.80 = 156,946.80/x
  3. Step 3: Cross multiply
    185,815.20x = 278,722.80 × 156,946.80
  4. Step 4: Simplify right side
    185,815.20x = 43,744,651,547.04
  5. Step 5: Solve for x
    x = 43,744,651,547.04/185,815.20
  6. Step 6: Final answer
    x = 235,420.20

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.