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Finding the Fourth Proportional to 136,877.44, 205,317.44 and 43,376

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Solution

The fourth proportional to 136,877.44, 205,317.44 and 43,376 is: 65,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.44 : 205,317.44 = 43,376 : x
  2. Step 2: Convert to fraction form
    136,877.44/205,317.44 = 43,376/x
  3. Step 3: Cross multiply
    136,877.44x = 205,317.44 × 43,376
  4. Step 4: Simplify right side
    136,877.44x = 8,905,849,277.44
  5. Step 5: Solve for x
    x = 8,905,849,277.44/136,877.44
  6. Step 6: Final answer
    x = 65,064.41

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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.