Home / 134,640.60-201,960.90-89,734.20

Finding the Fourth Proportional to 134,640.60, 201,960.90 and 89,734.20

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Solution

The fourth proportional to 134,640.60, 201,960.90 and 89,734.20 is: 134,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.60 : 201,960.90 = 89,734.20 : x
  2. Step 2: Convert to fraction form
    134,640.60/201,960.90 = 89,734.20/x
  3. Step 3: Cross multiply
    134,640.60x = 201,960.90 × 89,734.20
  4. Step 4: Simplify right side
    134,640.60x = 18,122,799,792.78
  5. Step 5: Solve for x
    x = 18,122,799,792.78/134,640.60
  6. Step 6: Final answer
    x = 134,601.30

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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.