Home / 135,277.20-202,915.80-41,792.40

Finding the Fourth Proportional to 135,277.20, 202,915.80 and 41,792.40

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Solution

The fourth proportional to 135,277.20, 202,915.80 and 41,792.40 is: 62,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,277.20 : 202,915.80 = 41,792.40 : x
  2. Step 2: Convert to fraction form
    135,277.20/202,915.80 = 41,792.40/x
  3. Step 3: Cross multiply
    135,277.20x = 202,915.80 × 41,792.40
  4. Step 4: Simplify right side
    135,277.20x = 8,480,338,279.92
  5. Step 5: Solve for x
    x = 8,480,338,279.92/135,277.20
  6. Step 6: Final answer
    x = 62,688.60

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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.