Home / 140,364.72-193,712.52-79,126.02

Finding the Fourth Proportional to 140,364.72, 193,712.52 and 79,126.02

Calculator

Solution

The fourth proportional to 140,364.72, 193,712.52 and 79,126.02 is: 109,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,364.72 : 193,712.52 = 79,126.02 : x
  2. Step 2: Convert to fraction form
    140,364.72/193,712.52 = 79,126.02/x
  3. Step 3: Cross multiply
    140,364.72x = 193,712.52 × 79,126.02
  4. Step 4: Simplify right side
    140,364.72x = 15,327,700,731.77
  5. Step 5: Solve for x
    x = 15,327,700,731.77/140,364.72
  6. Step 6: Final answer
    x = 109,199.10

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.