Home / 136,786.78-205,252.41-97,062.45

Finding the Fourth Proportional to 136,786.78, 205,252.41 and 97,062.45

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Solution

The fourth proportional to 136,786.78, 205,252.41 and 97,062.45 is: 145,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786.78 : 205,252.41 = 97,062.45 : x
  2. Step 2: Convert to fraction form
    136,786.78/205,252.41 = 97,062.45/x
  3. Step 3: Cross multiply
    136,786.78x = 205,252.41 × 97,062.45
  4. Step 4: Simplify right side
    136,786.78x = 19,922,301,783.00
  5. Step 5: Solve for x
    x = 19,922,301,783.00/136,786.78
  6. Step 6: Final answer
    x = 145,644.94

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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.