Home / 88,905.40-133,358.10-74,908.60

Finding the Fourth Proportional to 88,905.40, 133,358.10 and 74,908.60

Calculator

Solution

The fourth proportional to 88,905.40, 133,358.10 and 74,908.60 is: 112,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.40 : 133,358.10 = 74,908.60 : x
  2. Step 2: Convert to fraction form
    88,905.40/133,358.10 = 74,908.60/x
  3. Step 3: Cross multiply
    88,905.40x = 133,358.10 × 74,908.60
  4. Step 4: Simplify right side
    88,905.40x = 9,989,668,569.66
  5. Step 5: Solve for x
    x = 9,989,668,569.66/88,905.40
  6. Step 6: Final answer
    x = 112,362.90

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.