Home / 102,158.42-140,974.02-56,832.84

Finding the Fourth Proportional to 102,158.42, 140,974.02 and 56,832.84

Calculator

Solution

The fourth proportional to 102,158.42, 140,974.02 and 56,832.84 is: 78,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,158.42 : 140,974.02 = 56,832.84 : x
  2. Step 2: Convert to fraction form
    102,158.42/140,974.02 = 56,832.84/x
  3. Step 3: Cross multiply
    102,158.42x = 140,974.02 × 56,832.84
  4. Step 4: Simplify right side
    102,158.42x = 8,011,953,922.82
  5. Step 5: Solve for x
    x = 8,011,953,922.82/102,158.42
  6. Step 6: Final answer
    x = 78,426.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.