Home / 138,922.29-208,155.62-58,896.32

Finding the Fourth Proportional to 138,922.29, 208,155.62 and 58,896.32

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Solution

The fourth proportional to 138,922.29, 208,155.62 and 58,896.32 is: 88,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,922.29 : 208,155.62 = 58,896.32 : x
  2. Step 2: Convert to fraction form
    138,922.29/208,155.62 = 58,896.32/x
  3. Step 3: Cross multiply
    138,922.29x = 208,155.62 × 58,896.32
  4. Step 4: Simplify right side
    138,922.29x = 12,259,598,670.06
  5. Step 5: Solve for x
    x = 12,259,598,670.06/138,922.29
  6. Step 6: Final answer
    x = 88,247.89

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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.