Home / 136,767.15-205,130.21-43,260.75

Finding the Fourth Proportional to 136,767.15, 205,130.21 and 43,260.75

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Solution

The fourth proportional to 136,767.15, 205,130.21 and 43,260.75 is: 64,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,767.15 : 205,130.21 = 43,260.75 : x
  2. Step 2: Convert to fraction form
    136,767.15/205,130.21 = 43,260.75/x
  3. Step 3: Cross multiply
    136,767.15x = 205,130.21 × 43,260.75
  4. Step 4: Simplify right side
    136,767.15x = 8,874,086,515.95
  5. Step 5: Solve for x
    x = 8,874,086,515.95/136,767.15
  6. Step 6: Final answer
    x = 64,884.63

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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.