Home / 144,977.18-200,057.90-80,449.34

Finding the Fourth Proportional to 144,977.18, 200,057.90 and 80,449.34

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Solution

The fourth proportional to 144,977.18, 200,057.90 and 80,449.34 is: 111,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,977.18 : 200,057.90 = 80,449.34 : x
  2. Step 2: Convert to fraction form
    144,977.18/200,057.90 = 80,449.34/x
  3. Step 3: Cross multiply
    144,977.18x = 200,057.90 × 80,449.34
  4. Step 4: Simplify right side
    144,977.18x = 16,094,526,016.79
  5. Step 5: Solve for x
    x = 16,094,526,016.79/144,977.18
  6. Step 6: Final answer
    x = 111,014.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.