Home / 140,281.82-210,452.28-45,504.60

Finding the Fourth Proportional to 140,281.82, 210,452.28 and 45,504.60

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Solution

The fourth proportional to 140,281.82, 210,452.28 and 45,504.60 is: 68,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281.82 : 210,452.28 = 45,504.60 : x
  2. Step 2: Convert to fraction form
    140,281.82/210,452.28 = 45,504.60/x
  3. Step 3: Cross multiply
    140,281.82x = 210,452.28 × 45,504.60
  4. Step 4: Simplify right side
    140,281.82x = 9,576,546,876.48
  5. Step 5: Solve for x
    x = 9,576,546,876.48/140,281.82
  6. Step 6: Final answer
    x = 68,266.49

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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.