Home / 118,034.20-176,619.30-86,930.20

Finding the Fourth Proportional to 118,034.20, 176,619.30 and 86,930.20

Calculator

Solution

The fourth proportional to 118,034.20, 176,619.30 and 86,930.20 is: 130,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,034.20 : 176,619.30 = 86,930.20 : x
  2. Step 2: Convert to fraction form
    118,034.20/176,619.30 = 86,930.20/x
  3. Step 3: Cross multiply
    118,034.20x = 176,619.30 × 86,930.20
  4. Step 4: Simplify right side
    118,034.20x = 15,353,551,072.86
  5. Step 5: Solve for x
    x = 15,353,551,072.86/118,034.20
  6. Step 6: Final answer
    x = 130,077.14

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.