Home / 133,890.72-200,710.44-45,082.08

Finding the Fourth Proportional to 133,890.72, 200,710.44 and 45,082.08

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Solution

The fourth proportional to 133,890.72, 200,710.44 and 45,082.08 is: 67,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,890.72 : 200,710.44 = 45,082.08 : x
  2. Step 2: Convert to fraction form
    133,890.72/200,710.44 = 45,082.08/x
  3. Step 3: Cross multiply
    133,890.72x = 200,710.44 × 45,082.08
  4. Step 4: Simplify right side
    133,890.72x = 9,048,444,112.92
  5. Step 5: Solve for x
    x = 9,048,444,112.92/133,890.72
  6. Step 6: Final answer
    x = 67,580.82

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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.