Home / 148,928.80-223,393.20-106,938.40

Finding the Fourth Proportional to 148,928.80, 223,393.20 and 106,938.40

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Solution

The fourth proportional to 148,928.80, 223,393.20 and 106,938.40 is: 160,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,928.80 : 223,393.20 = 106,938.40 : x
  2. Step 2: Convert to fraction form
    148,928.80/223,393.20 = 106,938.40/x
  3. Step 3: Cross multiply
    148,928.80x = 223,393.20 × 106,938.40
  4. Step 4: Simplify right side
    148,928.80x = 23,889,311,378.88
  5. Step 5: Solve for x
    x = 23,889,311,378.88/148,928.80
  6. Step 6: Final answer
    x = 160,407.60

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1.5x scale

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.