Home / 100,892.32-139,210.28-58,448.32

Finding the Fourth Proportional to 100,892.32, 139,210.28 and 58,448.32

Calculator

Solution

The fourth proportional to 100,892.32, 139,210.28 and 58,448.32 is: 80,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,892.32 : 139,210.28 = 58,448.32 : x
  2. Step 2: Convert to fraction form
    100,892.32/139,210.28 = 58,448.32/x
  3. Step 3: Cross multiply
    100,892.32x = 139,210.28 × 58,448.32
  4. Step 4: Simplify right side
    100,892.32x = 8,136,606,992.73
  5. Step 5: Solve for x
    x = 8,136,606,992.73/100,892.32
  6. Step 6: Final answer
    x = 80,646.45

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.