Home / 147,385.96-203,396.58-80,322.28

Finding the Fourth Proportional to 147,385.96, 203,396.58 and 80,322.28

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Solution

The fourth proportional to 147,385.96, 203,396.58 and 80,322.28 is: 110,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,385.96 : 203,396.58 = 80,322.28 : x
  2. Step 2: Convert to fraction form
    147,385.96/203,396.58 = 80,322.28/x
  3. Step 3: Cross multiply
    147,385.96x = 203,396.58 × 80,322.28
  4. Step 4: Simplify right side
    147,385.96x = 16,337,277,049.80
  5. Step 5: Solve for x
    x = 16,337,277,049.80/147,385.96
  6. Step 6: Final answer
    x = 110,846.90

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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.