Home / 138,840.08-208,093.19-63,856.89

Finding the Fourth Proportional to 138,840.08, 208,093.19 and 63,856.89

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Solution

The fourth proportional to 138,840.08, 208,093.19 and 63,856.89 is: 95,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,840.08 : 208,093.19 = 63,856.89 : x
  2. Step 2: Convert to fraction form
    138,840.08/208,093.19 = 63,856.89/x
  3. Step 3: Cross multiply
    138,840.08x = 208,093.19 × 63,856.89
  4. Step 4: Simplify right side
    138,840.08x = 13,288,183,624.29
  5. Step 5: Solve for x
    x = 13,288,183,624.29/138,840.08
  6. Step 6: Final answer
    x = 95,708.56

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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.