Home / 202,401.28-303,445.92-76,038.72

Finding the Fourth Proportional to 202,401.28, 303,445.92 and 76,038.72

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Solution

The fourth proportional to 202,401.28, 303,445.92 and 76,038.72 is: 113,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,401.28 : 303,445.92 = 76,038.72 : x
  2. Step 2: Convert to fraction form
    202,401.28/303,445.92 = 76,038.72/x
  3. Step 3: Cross multiply
    202,401.28x = 303,445.92 × 76,038.72
  4. Step 4: Simplify right side
    202,401.28x = 23,073,639,346.02
  5. Step 5: Solve for x
    x = 23,073,639,346.02/202,401.28
  6. Step 6: Final answer
    x = 113,999.47

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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.