Home / 125,909.10-188,863.65-72,692.10

Finding the Fourth Proportional to 125,909.10, 188,863.65 and 72,692.10

Calculator

Solution

The fourth proportional to 125,909.10, 188,863.65 and 72,692.10 is: 109,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909.10 : 188,863.65 = 72,692.10 : x
  2. Step 2: Convert to fraction form
    125,909.10/188,863.65 = 72,692.10/x
  3. Step 3: Cross multiply
    125,909.10x = 188,863.65 × 72,692.10
  4. Step 4: Simplify right side
    125,909.10x = 13,728,895,332.17
  5. Step 5: Solve for x
    x = 13,728,895,332.17/125,909.10
  6. Step 6: Final answer
    x = 109,038.15

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.