Home / 202,012.08-303,205.07-102,242.35

Finding the Fourth Proportional to 202,012.08, 303,205.07 and 102,242.35

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Solution

The fourth proportional to 202,012.08, 303,205.07 and 102,242.35 is: 153,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,012.08 : 303,205.07 = 102,242.35 : x
  2. Step 2: Convert to fraction form
    202,012.08/303,205.07 = 102,242.35/x
  3. Step 3: Cross multiply
    202,012.08x = 303,205.07 × 102,242.35
  4. Step 4: Simplify right side
    202,012.08x = 31,000,399,523.33
  5. Step 5: Solve for x
    x = 31,000,399,523.33/202,012.08
  6. Step 6: Final answer
    x = 153,458.15

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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.