Home / 89,023.40-133,535.10-78,914.60

Finding the Fourth Proportional to 89,023.40, 133,535.10 and 78,914.60

Calculator

Solution

The fourth proportional to 89,023.40, 133,535.10 and 78,914.60 is: 118,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.40 : 133,535.10 = 78,914.60 : x
  2. Step 2: Convert to fraction form
    89,023.40/133,535.10 = 78,914.60/x
  3. Step 3: Cross multiply
    89,023.40x = 133,535.10 × 78,914.60
  4. Step 4: Simplify right side
    89,023.40x = 10,537,869,002.46
  5. Step 5: Solve for x
    x = 10,537,869,002.46/89,023.40
  6. Step 6: Final answer
    x = 118,371.90

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.