Home / 140,822.40-211,247.40-40,983.60

Finding the Fourth Proportional to 140,822.40, 211,247.40 and 40,983.60

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Solution

The fourth proportional to 140,822.40, 211,247.40 and 40,983.60 is: 61,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,822.40 : 211,247.40 = 40,983.60 : x
  2. Step 2: Convert to fraction form
    140,822.40/211,247.40 = 40,983.60/x
  3. Step 3: Cross multiply
    140,822.40x = 211,247.40 × 40,983.60
  4. Step 4: Simplify right side
    140,822.40x = 8,657,678,942.64
  5. Step 5: Solve for x
    x = 8,657,678,942.64/140,822.40
  6. Step 6: Final answer
    x = 61,479.42

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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.