Home / 140,732.40-211,025.70-51,940.20

Finding the Fourth Proportional to 140,732.40, 211,025.70 and 51,940.20

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Solution

The fourth proportional to 140,732.40, 211,025.70 and 51,940.20 is: 77,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,732.40 : 211,025.70 = 51,940.20 : x
  2. Step 2: Convert to fraction form
    140,732.40/211,025.70 = 51,940.20/x
  3. Step 3: Cross multiply
    140,732.40x = 211,025.70 × 51,940.20
  4. Step 4: Simplify right side
    140,732.40x = 10,960,717,063.14
  5. Step 5: Solve for x
    x = 10,960,717,063.14/140,732.40
  6. Step 6: Final answer
    x = 77,883.39

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1.5x scale

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.