Home / 140,122.46-210,218.89-40,282.83

Finding the Fourth Proportional to 140,122.46, 210,218.89 and 40,282.83

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Solution

The fourth proportional to 140,122.46, 210,218.89 and 40,282.83 is: 60,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,122.46 : 210,218.89 = 40,282.83 : x
  2. Step 2: Convert to fraction form
    140,122.46/210,218.89 = 40,282.83/x
  3. Step 3: Cross multiply
    140,122.46x = 210,218.89 × 40,282.83
  4. Step 4: Simplify right side
    140,122.46x = 8,468,211,607.24
  5. Step 5: Solve for x
    x = 8,468,211,607.24/140,122.46
  6. Step 6: Final answer
    x = 60,434.37

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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.