Home / 99,287.13-137,012.86-56,837.46

Finding the Fourth Proportional to 99,287.13, 137,012.86 and 56,837.46

Calculator

Solution

The fourth proportional to 99,287.13, 137,012.86 and 56,837.46 is: 78,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.13 : 137,012.86 = 56,837.46 : x
  2. Step 2: Convert to fraction form
    99,287.13/137,012.86 = 56,837.46/x
  3. Step 3: Cross multiply
    99,287.13x = 137,012.86 × 56,837.46
  4. Step 4: Simplify right side
    99,287.13x = 7,787,462,949.74
  5. Step 5: Solve for x
    x = 7,787,462,949.74/99,287.13
  6. Step 6: Final answer
    x = 78,433.76

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.