Home / 102,053.70-153,080.55-52,117.20

Finding the Fourth Proportional to 102,053.70, 153,080.55 and 52,117.20

Calculator

Solution

The fourth proportional to 102,053.70, 153,080.55 and 52,117.20 is: 78,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,053.70 : 153,080.55 = 52,117.20 : x
  2. Step 2: Convert to fraction form
    102,053.70/153,080.55 = 52,117.20/x
  3. Step 3: Cross multiply
    102,053.70x = 153,080.55 × 52,117.20
  4. Step 4: Simplify right side
    102,053.70x = 7,978,129,640.46
  5. Step 5: Solve for x
    x = 7,978,129,640.46/102,053.70
  6. Step 6: Final answer
    x = 78,175.80

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.