Home / 136,607.40-204,899.58-77,256.36

Finding the Fourth Proportional to 136,607.40, 204,899.58 and 77,256.36

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Solution

The fourth proportional to 136,607.40, 204,899.58 and 77,256.36 is: 115,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,607.40 : 204,899.58 = 77,256.36 : x
  2. Step 2: Convert to fraction form
    136,607.40/204,899.58 = 77,256.36/x
  3. Step 3: Cross multiply
    136,607.40x = 204,899.58 × 77,256.36
  4. Step 4: Simplify right side
    136,607.40x = 15,829,795,716.33
  5. Step 5: Solve for x
    x = 15,829,795,716.33/136,607.40
  6. Step 6: Final answer
    x = 115,878.03

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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.