Home / 135,007.90-202,511.85-133,039.60

Finding the Fourth Proportional to 135,007.90, 202,511.85 and 133,039.60

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Solution

The fourth proportional to 135,007.90, 202,511.85 and 133,039.60 is: 199,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,007.90 : 202,511.85 = 133,039.60 : x
  2. Step 2: Convert to fraction form
    135,007.90/202,511.85 = 133,039.60/x
  3. Step 3: Cross multiply
    135,007.90x = 202,511.85 × 133,039.60
  4. Step 4: Simplify right side
    135,007.90x = 26,942,095,519.26
  5. Step 5: Solve for x
    x = 26,942,095,519.26/135,007.90
  6. Step 6: Final answer
    x = 199,559.40

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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.