Home / 163,941.40-245,912.10-147,352.60

Finding the Fourth Proportional to 163,941.40, 245,912.10 and 147,352.60

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Solution

The fourth proportional to 163,941.40, 245,912.10 and 147,352.60 is: 221,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,941.40 : 245,912.10 = 147,352.60 : x
  2. Step 2: Convert to fraction form
    163,941.40/245,912.10 = 147,352.60/x
  3. Step 3: Cross multiply
    163,941.40x = 245,912.10 × 147,352.60
  4. Step 4: Simplify right side
    163,941.40x = 36,235,787,306.46
  5. Step 5: Solve for x
    x = 36,235,787,306.46/163,941.40
  6. Step 6: Final answer
    x = 221,028.90

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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.