Home / 135,005.90-202,508.85-133,037.60

Finding the Fourth Proportional to 135,005.90, 202,508.85 and 133,037.60

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Solution

The fourth proportional to 135,005.90, 202,508.85 and 133,037.60 is: 199,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,005.90 : 202,508.85 = 133,037.60 : x
  2. Step 2: Convert to fraction form
    135,005.90/202,508.85 = 133,037.60/x
  3. Step 3: Cross multiply
    135,005.90x = 202,508.85 × 133,037.60
  4. Step 4: Simplify right side
    135,005.90x = 26,941,291,382.76
  5. Step 5: Solve for x
    x = 26,941,291,382.76/135,005.90
  6. Step 6: Final answer
    x = 199,556.40

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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.