Home / 117,868.40-176,543.40-115,276.40

Finding the Fourth Proportional to 117,868.40, 176,543.40 and 115,276.40

Calculator

Solution

The fourth proportional to 117,868.40, 176,543.40 and 115,276.40 is: 172,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,868.40 : 176,543.40 = 115,276.40 : x
  2. Step 2: Convert to fraction form
    117,868.40/176,543.40 = 115,276.40/x
  3. Step 3: Cross multiply
    117,868.40x = 176,543.40 × 115,276.40
  4. Step 4: Simplify right side
    117,868.40x = 20,351,287,595.76
  5. Step 5: Solve for x
    x = 20,351,287,595.76/117,868.40
  6. Step 6: Final answer
    x = 172,661.10

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.