Home / 117,645.20-176,064.60-70,931.60

Finding the Fourth Proportional to 117,645.20, 176,064.60 and 70,931.60

Calculator

Solution

The fourth proportional to 117,645.20, 176,064.60 and 70,931.60 is: 106,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,645.20 : 176,064.60 = 70,931.60 : x
  2. Step 2: Convert to fraction form
    117,645.20/176,064.60 = 70,931.60/x
  3. Step 3: Cross multiply
    117,645.20x = 176,064.60 × 70,931.60
  4. Step 4: Simplify right side
    117,645.20x = 12,488,543,781.36
  5. Step 5: Solve for x
    x = 12,488,543,781.36/117,645.20
  6. Step 6: Final answer
    x = 106,154.30

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.