Home / 215,345.08-322,662.15-125,134.54

Finding the Fourth Proportional to 215,345.08, 322,662.15 and 125,134.54

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Solution

The fourth proportional to 215,345.08, 322,662.15 and 125,134.54 is: 187,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.08 : 322,662.15 = 125,134.54 : x
  2. Step 2: Convert to fraction form
    215,345.08/322,662.15 = 125,134.54/x
  3. Step 3: Cross multiply
    215,345.08x = 322,662.15 × 125,134.54
  4. Step 4: Simplify right side
    215,345.08x = 40,376,179,715.66
  5. Step 5: Solve for x
    x = 40,376,179,715.66/215,345.08
  6. Step 6: Final answer
    x = 187,495.25

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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.