Home / 208,022.50-287,069.34-112,529.44

Finding the Fourth Proportional to 208,022.50, 287,069.34 and 112,529.44

Calculator

Solution

The fourth proportional to 208,022.50, 287,069.34 and 112,529.44 is: 155,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,022.50 : 287,069.34 = 112,529.44 : x
  2. Step 2: Convert to fraction form
    208,022.50/287,069.34 = 112,529.44/x
  3. Step 3: Cross multiply
    208,022.50x = 287,069.34 × 112,529.44
  4. Step 4: Simplify right side
    208,022.50x = 32,303,752,071.37
  5. Step 5: Solve for x
    x = 32,303,752,071.37/208,022.50
  6. Step 6: Final answer
    x = 155,289.70

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.