Home / 140,918.60-211,406.70-47,433.80

Finding the Fourth Proportional to 140,918.60, 211,406.70 and 47,433.80

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Solution

The fourth proportional to 140,918.60, 211,406.70 and 47,433.80 is: 71,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.60 : 211,406.70 = 47,433.80 : x
  2. Step 2: Convert to fraction form
    140,918.60/211,406.70 = 47,433.80/x
  3. Step 3: Cross multiply
    140,918.60x = 211,406.70 × 47,433.80
  4. Step 4: Simplify right side
    140,918.60x = 10,027,823,126.46
  5. Step 5: Solve for x
    x = 10,027,823,126.46/140,918.60
  6. Step 6: Final answer
    x = 71,160.39

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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.