Home / 365,141.70-547,712.55-128,751.30

Finding the Fourth Proportional to 365,141.70, 547,712.55 and 128,751.30

Calculator

Solution

The fourth proportional to 365,141.70, 547,712.55 and 128,751.30 is: 193,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,141.70 : 547,712.55 = 128,751.30 : x
  2. Step 2: Convert to fraction form
    365,141.70/547,712.55 = 128,751.30/x
  3. Step 3: Cross multiply
    365,141.70x = 547,712.55 × 128,751.30
  4. Step 4: Simplify right side
    365,141.70x = 70,518,702,838.82
  5. Step 5: Solve for x
    x = 70,518,702,838.82/365,141.70
  6. Step 6: Final answer
    x = 193,126.95

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.