Home / 136,768.15-205,131.70-43,261.75

Finding the Fourth Proportional to 136,768.15, 205,131.70 and 43,261.75

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Solution

The fourth proportional to 136,768.15, 205,131.70 and 43,261.75 is: 64,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,768.15 : 205,131.70 = 43,261.75 : x
  2. Step 2: Convert to fraction form
    136,768.15/205,131.70 = 43,261.75/x
  3. Step 3: Cross multiply
    136,768.15x = 205,131.70 × 43,261.75
  4. Step 4: Simplify right side
    136,768.15x = 8,874,356,322.48
  5. Step 5: Solve for x
    x = 8,874,356,322.48/136,768.15
  6. Step 6: Final answer
    x = 64,886.13

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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.