Home / 136,772.90-205,138.82-43,266.50

Finding the Fourth Proportional to 136,772.90, 205,138.82 and 43,266.50

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Solution

The fourth proportional to 136,772.90, 205,138.82 and 43,266.50 is: 64,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,772.90 : 205,138.82 = 43,266.50 : x
  2. Step 2: Convert to fraction form
    136,772.90/205,138.82 = 43,266.50/x
  3. Step 3: Cross multiply
    136,772.90x = 205,138.82 × 43,266.50
  4. Step 4: Simplify right side
    136,772.90x = 8,875,638,755.53
  5. Step 5: Solve for x
    x = 8,875,638,755.53/136,772.90
  6. Step 6: Final answer
    x = 64,893.26

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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.