Home / 86,818.78-119,833.31-51,032.78

Finding the Fourth Proportional to 86,818.78, 119,833.31 and 51,032.78

Calculator

Solution

The fourth proportional to 86,818.78, 119,833.31 and 51,032.78 is: 70,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,818.78 : 119,833.31 = 51,032.78 : x
  2. Step 2: Convert to fraction form
    86,818.78/119,833.31 = 51,032.78/x
  3. Step 3: Cross multiply
    86,818.78x = 119,833.31 × 51,032.78
  4. Step 4: Simplify right side
    86,818.78x = 6,115,426,945.90
  5. Step 5: Solve for x
    x = 6,115,426,945.90/86,818.78
  6. Step 6: Final answer
    x = 70,438.99

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.