Home / 143,627.75-215,632.52-122,702.28

Finding the Fourth Proportional to 143,627.75, 215,632.52 and 122,702.28

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Solution

The fourth proportional to 143,627.75, 215,632.52 and 122,702.28 is: 184,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,627.75 : 215,632.52 = 122,702.28 : x
  2. Step 2: Convert to fraction form
    143,627.75/215,632.52 = 122,702.28/x
  3. Step 3: Cross multiply
    143,627.75x = 215,632.52 × 122,702.28
  4. Step 4: Simplify right side
    143,627.75x = 26,458,601,232.63
  5. Step 5: Solve for x
    x = 26,458,601,232.63/143,627.75
  6. Step 6: Final answer
    x = 184,216.51

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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.