Home / 272,027.70-407,847.15-122,145.30

Finding the Fourth Proportional to 272,027.70, 407,847.15 and 122,145.30

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Solution

The fourth proportional to 272,027.70, 407,847.15 and 122,145.30 is: 183,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,027.70 : 407,847.15 = 122,145.30 : x
  2. Step 2: Convert to fraction form
    272,027.70/407,847.15 = 122,145.30/x
  3. Step 3: Cross multiply
    272,027.70x = 407,847.15 × 122,145.30
  4. Step 4: Simplify right side
    272,027.70x = 49,816,612,490.90
  5. Step 5: Solve for x
    x = 49,816,612,490.90/272,027.70
  6. Step 6: Final answer
    x = 183,130.66

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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.