Home / 99,530.40-149,295.60-57,482.40

Finding the Fourth Proportional to 99,530.40, 149,295.60 and 57,482.40

Calculator

Solution

The fourth proportional to 99,530.40, 149,295.60 and 57,482.40 is: 86,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.40 : 149,295.60 = 57,482.40 : x
  2. Step 2: Convert to fraction form
    99,530.40/149,295.60 = 57,482.40/x
  3. Step 3: Cross multiply
    99,530.40x = 149,295.60 × 57,482.40
  4. Step 4: Simplify right side
    99,530.40x = 8,581,869,397.44
  5. Step 5: Solve for x
    x = 8,581,869,397.44/99,530.40
  6. Step 6: Final answer
    x = 86,223.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.