Home / 134,125.20-200,880.60-68,384.40

Finding the Fourth Proportional to 134,125.20, 200,880.60 and 68,384.40

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Solution

The fourth proportional to 134,125.20, 200,880.60 and 68,384.40 is: 102,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,125.20 : 200,880.60 = 68,384.40 : x
  2. Step 2: Convert to fraction form
    134,125.20/200,880.60 = 68,384.40/x
  3. Step 3: Cross multiply
    134,125.20x = 200,880.60 × 68,384.40
  4. Step 4: Simplify right side
    134,125.20x = 13,737,099,302.64
  5. Step 5: Solve for x
    x = 13,737,099,302.64/134,125.20
  6. Step 6: Final answer
    x = 102,419.97

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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.