Home / 202,011.40-303,345.15-135,745.30

Finding the Fourth Proportional to 202,011.40, 303,345.15 and 135,745.30

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Solution

The fourth proportional to 202,011.40, 303,345.15 and 135,745.30 is: 203,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,011.40 : 303,345.15 = 135,745.30 : x
  2. Step 2: Convert to fraction form
    202,011.40/303,345.15 = 135,745.30/x
  3. Step 3: Cross multiply
    202,011.40x = 303,345.15 × 135,745.30
  4. Step 4: Simplify right side
    202,011.40x = 41,177,678,390.30
  5. Step 5: Solve for x
    x = 41,177,678,390.30/202,011.40
  6. Step 6: Final answer
    x = 203,838.39

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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.