Home / 136,561.20-204,870.60-57,634.80

Finding the Fourth Proportional to 136,561.20, 204,870.60 and 57,634.80

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Solution

The fourth proportional to 136,561.20, 204,870.60 and 57,634.80 is: 86,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,561.20 : 204,870.60 = 57,634.80 : x
  2. Step 2: Convert to fraction form
    136,561.20/204,870.60 = 57,634.80/x
  3. Step 3: Cross multiply
    136,561.20x = 204,870.60 × 57,634.80
  4. Step 4: Simplify right side
    136,561.20x = 11,807,676,056.88
  5. Step 5: Solve for x
    x = 11,807,676,056.88/136,561.20
  6. Step 6: Final answer
    x = 86,464.35

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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.