Home / 130,835.10-196,252.65-121,212.30

Finding the Fourth Proportional to 130,835.10, 196,252.65 and 121,212.30

Calculator

Solution

The fourth proportional to 130,835.10, 196,252.65 and 121,212.30 is: 181,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,835.10 : 196,252.65 = 121,212.30 : x
  2. Step 2: Convert to fraction form
    130,835.10/196,252.65 = 121,212.30/x
  3. Step 3: Cross multiply
    130,835.10x = 196,252.65 × 121,212.30
  4. Step 4: Simplify right side
    130,835.10x = 23,788,235,087.60
  5. Step 5: Solve for x
    x = 23,788,235,087.60/130,835.10
  6. Step 6: Final answer
    x = 181,818.45

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.