Home / 133,623.24-200,155.98-80,145.63

Finding the Fourth Proportional to 133,623.24, 200,155.98 and 80,145.63

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Solution

The fourth proportional to 133,623.24, 200,155.98 and 80,145.63 is: 120,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.24 : 200,155.98 = 80,145.63 : x
  2. Step 2: Convert to fraction form
    133,623.24/200,155.98 = 80,145.63/x
  3. Step 3: Cross multiply
    133,623.24x = 200,155.98 × 80,145.63
  4. Step 4: Simplify right side
    133,623.24x = 16,041,627,115.37
  5. Step 5: Solve for x
    x = 16,041,627,115.37/133,623.24
  6. Step 6: Final answer
    x = 120,051.18

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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.