Home / 275,182.08-412,774.56-125,317.86

Finding the Fourth Proportional to 275,182.08, 412,774.56 and 125,317.86

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Solution

The fourth proportional to 275,182.08, 412,774.56 and 125,317.86 is: 187,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,182.08 : 412,774.56 = 125,317.86 : x
  2. Step 2: Convert to fraction form
    275,182.08/412,774.56 = 125,317.86/x
  3. Step 3: Cross multiply
    275,182.08x = 412,774.56 × 125,317.86
  4. Step 4: Simplify right side
    275,182.08x = 51,728,024,521.64
  5. Step 5: Solve for x
    x = 51,728,024,521.64/275,182.08
  6. Step 6: Final answer
    x = 187,977.45

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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.