Home / 99,370.68-137,131.44-56,929.38

Finding the Fourth Proportional to 99,370.68, 137,131.44 and 56,929.38

Calculator

Solution

The fourth proportional to 99,370.68, 137,131.44 and 56,929.38 is: 78,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,370.68 : 137,131.44 = 56,929.38 : x
  2. Step 2: Convert to fraction form
    99,370.68/137,131.44 = 56,929.38/x
  3. Step 3: Cross multiply
    99,370.68x = 137,131.44 × 56,929.38
  4. Step 4: Simplify right side
    99,370.68x = 7,806,807,857.71
  5. Step 5: Solve for x
    x = 7,806,807,857.71/99,370.68
  6. Step 6: Final answer
    x = 78,562.49

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.