Home / 144,621.20-216,834.60-65,694.80

Finding the Fourth Proportional to 144,621.20, 216,834.60 and 65,694.80

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Solution

The fourth proportional to 144,621.20, 216,834.60 and 65,694.80 is: 98,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,621.20 : 216,834.60 = 65,694.80 : x
  2. Step 2: Convert to fraction form
    144,621.20/216,834.60 = 65,694.80/x
  3. Step 3: Cross multiply
    144,621.20x = 216,834.60 × 65,694.80
  4. Step 4: Simplify right side
    144,621.20x = 14,244,905,680.08
  5. Step 5: Solve for x
    x = 14,244,905,680.08/144,621.20
  6. Step 6: Final answer
    x = 98,498.05

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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.