Home / 140,819.80-211,160.58-69,660.22

Finding the Fourth Proportional to 140,819.80, 211,160.58 and 69,660.22

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Solution

The fourth proportional to 140,819.80, 211,160.58 and 69,660.22 is: 104,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,819.80 : 211,160.58 = 69,660.22 : x
  2. Step 2: Convert to fraction form
    140,819.80/211,160.58 = 69,660.22/x
  3. Step 3: Cross multiply
    140,819.80x = 211,160.58 × 69,660.22
  4. Step 4: Simplify right side
    140,819.80x = 14,709,492,458.13
  5. Step 5: Solve for x
    x = 14,709,492,458.13/140,819.80
  6. Step 6: Final answer
    x = 104,456.14

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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.