Home / 191,181.45-286,604.50-72,774.03

Finding the Fourth Proportional to 191,181.45, 286,604.50 and 72,774.03

Calculator

Solution

The fourth proportional to 191,181.45, 286,604.50 and 72,774.03 is: 109,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,181.45 : 286,604.50 = 72,774.03 : x
  2. Step 2: Convert to fraction form
    191,181.45/286,604.50 = 72,774.03/x
  3. Step 3: Cross multiply
    191,181.45x = 286,604.50 × 72,774.03
  4. Step 4: Simplify right side
    191,181.45x = 20,857,364,481.14
  5. Step 5: Solve for x
    x = 20,857,364,481.14/191,181.45
  6. Step 6: Final answer
    x = 109,097.22

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.