Home / 99,360.24-137,136.60-56,947.20

Finding the Fourth Proportional to 99,360.24, 137,136.60 and 56,947.20

Calculator

Solution

The fourth proportional to 99,360.24, 137,136.60 and 56,947.20 is: 78,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.24 : 137,136.60 = 56,947.20 : x
  2. Step 2: Convert to fraction form
    99,360.24/137,136.60 = 56,947.20/x
  3. Step 3: Cross multiply
    99,360.24x = 137,136.60 × 56,947.20
  4. Step 4: Simplify right side
    99,360.24x = 7,809,545,387.52
  5. Step 5: Solve for x
    x = 7,809,545,387.52/99,360.24
  6. Step 6: Final answer
    x = 78,598.29

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.