Home / 106,390.40-159,585.60-36,348.80

Finding the Fourth Proportional to 106,390.40, 159,585.60 and 36,348.80

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Solution

The fourth proportional to 106,390.40, 159,585.60 and 36,348.80 is: 54,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.40 : 159,585.60 = 36,348.80 : x
  2. Step 2: Convert to fraction form
    106,390.40/159,585.60 = 36,348.80/x
  3. Step 3: Cross multiply
    106,390.40x = 159,585.60 × 36,348.80
  4. Step 4: Simplify right side
    106,390.40x = 5,800,745,057.28
  5. Step 5: Solve for x
    x = 5,800,745,057.28/106,390.40
  6. Step 6: Final answer
    x = 54,523.20

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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.