Home / 140,362.40-210,481.05-40,498.85

Finding the Fourth Proportional to 140,362.40, 210,481.05 and 40,498.85

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Solution

The fourth proportional to 140,362.40, 210,481.05 and 40,498.85 is: 60,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,362.40 : 210,481.05 = 40,498.85 : x
  2. Step 2: Convert to fraction form
    140,362.40/210,481.05 = 40,498.85/x
  3. Step 3: Cross multiply
    140,362.40x = 210,481.05 × 40,498.85
  4. Step 4: Simplify right side
    140,362.40x = 8,524,239,419.39
  5. Step 5: Solve for x
    x = 8,524,239,419.39/140,362.40
  6. Step 6: Final answer
    x = 60,730.22

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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.