Home / 92,920.78-128,251.08-61,092.64

Finding the Fourth Proportional to 92,920.78, 128,251.08 and 61,092.64

Calculator

Solution

The fourth proportional to 92,920.78, 128,251.08 and 61,092.64 is: 84,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.78 : 128,251.08 = 61,092.64 : x
  2. Step 2: Convert to fraction form
    92,920.78/128,251.08 = 61,092.64/x
  3. Step 3: Cross multiply
    92,920.78x = 128,251.08 × 61,092.64
  4. Step 4: Simplify right side
    92,920.78x = 7,835,196,739.42
  5. Step 5: Solve for x
    x = 7,835,196,739.42/92,920.78
  6. Step 6: Final answer
    x = 84,321.26

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.