Home / 140,799.19-211,113.62-55,307.69

Finding the Fourth Proportional to 140,799.19, 211,113.62 and 55,307.69

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Solution

The fourth proportional to 140,799.19, 211,113.62 and 55,307.69 is: 82,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.19 : 211,113.62 = 55,307.69 : x
  2. Step 2: Convert to fraction form
    140,799.19/211,113.62 = 55,307.69/x
  3. Step 3: Cross multiply
    140,799.19x = 211,113.62 × 55,307.69
  4. Step 4: Simplify right side
    140,799.19x = 11,676,207,348.67
  5. Step 5: Solve for x
    x = 11,676,207,348.67/140,799.19
  6. Step 6: Final answer
    x = 82,928.09

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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.