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Finding the Fourth Proportional to 136,323.30, 204,603.09 and 136,008.07

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Solution

The fourth proportional to 136,323.30, 204,603.09 and 136,008.07 is: 204,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,323.30 : 204,603.09 = 136,008.07 : x
  2. Step 2: Convert to fraction form
    136,323.30/204,603.09 = 136,008.07/x
  3. Step 3: Cross multiply
    136,323.30x = 204,603.09 × 136,008.07
  4. Step 4: Simplify right side
    136,323.30x = 27,827,671,386.94
  5. Step 5: Solve for x
    x = 27,827,671,386.94/136,323.30
  6. Step 6: Final answer
    x = 204,129.97

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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.