Home / 140,241.90-210,195.54-80,952.30

Finding the Fourth Proportional to 140,241.90, 210,195.54 and 80,952.30

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Solution

The fourth proportional to 140,241.90, 210,195.54 and 80,952.30 is: 121,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.90 : 210,195.54 = 80,952.30 : x
  2. Step 2: Convert to fraction form
    140,241.90/210,195.54 = 80,952.30/x
  3. Step 3: Cross multiply
    140,241.90x = 210,195.54 × 80,952.30
  4. Step 4: Simplify right side
    140,241.90x = 17,015,812,412.74
  5. Step 5: Solve for x
    x = 17,015,812,412.74/140,241.90
  6. Step 6: Final answer
    x = 121,331.87

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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.