Home / 140,959.72-211,378.14-47,440.36

Finding the Fourth Proportional to 140,959.72, 211,378.14 and 47,440.36

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Solution

The fourth proportional to 140,959.72, 211,378.14 and 47,440.36 is: 71,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,959.72 : 211,378.14 = 47,440.36 : x
  2. Step 2: Convert to fraction form
    140,959.72/211,378.14 = 47,440.36/x
  3. Step 3: Cross multiply
    140,959.72x = 211,378.14 × 47,440.36
  4. Step 4: Simplify right side
    140,959.72x = 10,027,855,057.73
  5. Step 5: Solve for x
    x = 10,027,855,057.73/140,959.72
  6. Step 6: Final answer
    x = 71,139.86

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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.