Home / 134,142.80-201,214.20-40,636.40

Finding the Fourth Proportional to 134,142.80, 201,214.20 and 40,636.40

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Solution

The fourth proportional to 134,142.80, 201,214.20 and 40,636.40 is: 60,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,142.80 : 201,214.20 = 40,636.40 : x
  2. Step 2: Convert to fraction form
    134,142.80/201,214.20 = 40,636.40/x
  3. Step 3: Cross multiply
    134,142.80x = 201,214.20 × 40,636.40
  4. Step 4: Simplify right side
    134,142.80x = 8,176,620,716.88
  5. Step 5: Solve for x
    x = 8,176,620,716.88/134,142.80
  6. Step 6: Final answer
    x = 60,954.60

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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.