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Finding the Fourth Proportional to 136,402, 204,603 and 37,906

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Solution

The fourth proportional to 136,402, 204,603 and 37,906 is: 56,859

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,402 : 204,603 = 37,906 : x
  2. Step 2: Convert to fraction form
    136,402/204,603 = 37,906/x
  3. Step 3: Cross multiply
    136,402x = 204,603 × 37,906
  4. Step 4: Simplify right side
    136,402x = 7,755,681,318
  5. Step 5: Solve for x
    x = 7,755,681,318/136,402
  6. Step 6: Final answer
    x = 56,859

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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.