Home / 136,359.40-204,524.70-42,860.20

Finding the Fourth Proportional to 136,359.40, 204,524.70 and 42,860.20

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Solution

The fourth proportional to 136,359.40, 204,524.70 and 42,860.20 is: 64,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,359.40 : 204,524.70 = 42,860.20 : x
  2. Step 2: Convert to fraction form
    136,359.40/204,524.70 = 42,860.20/x
  3. Step 3: Cross multiply
    136,359.40x = 204,524.70 × 42,860.20
  4. Step 4: Simplify right side
    136,359.40x = 8,765,969,546.94
  5. Step 5: Solve for x
    x = 8,765,969,546.94/136,359.40
  6. Step 6: Final answer
    x = 64,285.77

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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.