Home / 147,918.94-204,129.44-136,617.61

Finding the Fourth Proportional to 147,918.94, 204,129.44 and 136,617.61

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Solution

The fourth proportional to 147,918.94, 204,129.44 and 136,617.61 is: 188,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,918.94 : 204,129.44 = 136,617.61 : x
  2. Step 2: Convert to fraction form
    147,918.94/204,129.44 = 136,617.61/x
  3. Step 3: Cross multiply
    147,918.94x = 204,129.44 × 136,617.61
  4. Step 4: Simplify right side
    147,918.94x = 27,887,676,223.44
  5. Step 5: Solve for x
    x = 27,887,676,223.44/147,918.94
  6. Step 6: Final answer
    x = 188,533.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.