Home / 87,201.16-120,254.93-57,012.36

Finding the Fourth Proportional to 87,201.16, 120,254.93 and 57,012.36

Calculator

Solution

The fourth proportional to 87,201.16, 120,254.93 and 57,012.36 is: 78,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,201.16 : 120,254.93 = 57,012.36 : x
  2. Step 2: Convert to fraction form
    87,201.16/120,254.93 = 57,012.36/x
  3. Step 3: Cross multiply
    87,201.16x = 120,254.93 × 57,012.36
  4. Step 4: Simplify right side
    87,201.16x = 6,856,016,838.71
  5. Step 5: Solve for x
    x = 6,856,016,838.71/87,201.16
  6. Step 6: Final answer
    x = 78,623.00

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.