Home / 134,880.10-202,320.15-50,640.10

Finding the Fourth Proportional to 134,880.10, 202,320.15 and 50,640.10

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Solution

The fourth proportional to 134,880.10, 202,320.15 and 50,640.10 is: 75,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,880.10 : 202,320.15 = 50,640.10 : x
  2. Step 2: Convert to fraction form
    134,880.10/202,320.15 = 50,640.10/x
  3. Step 3: Cross multiply
    134,880.10x = 202,320.15 × 50,640.10
  4. Step 4: Simplify right side
    134,880.10x = 10,245,512,628.02
  5. Step 5: Solve for x
    x = 10,245,512,628.02/134,880.10
  6. Step 6: Final answer
    x = 75,960.15

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Similar ratio
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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.