Home / 144,382.40-216,598.20-44,540.72

Finding the Fourth Proportional to 144,382.40, 216,598.20 and 44,540.72

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Solution

The fourth proportional to 144,382.40, 216,598.20 and 44,540.72 is: 66,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.40 : 216,598.20 = 44,540.72 : x
  2. Step 2: Convert to fraction form
    144,382.40/216,598.20 = 44,540.72/x
  3. Step 3: Cross multiply
    144,382.40x = 216,598.20 × 44,540.72
  4. Step 4: Simplify right side
    144,382.40x = 9,647,439,778.70
  5. Step 5: Solve for x
    x = 9,647,439,778.70/144,382.40
  6. Step 6: Final answer
    x = 66,818.67

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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.