Home / 202,385.15-303,522.28-76,015.62

Finding the Fourth Proportional to 202,385.15, 303,522.28 and 76,015.62

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Solution

The fourth proportional to 202,385.15, 303,522.28 and 76,015.62 is: 114,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,385.15 : 303,522.28 = 76,015.62 : x
  2. Step 2: Convert to fraction form
    202,385.15/303,522.28 = 76,015.62/x
  3. Step 3: Cross multiply
    202,385.15x = 303,522.28 × 76,015.62
  4. Step 4: Simplify right side
    202,385.15x = 23,072,434,298.01
  5. Step 5: Solve for x
    x = 23,072,434,298.01/202,385.15
  6. Step 6: Final answer
    x = 114,002.60

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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.