Home / 152,082.20-228,252.90-67,971.80

Finding the Fourth Proportional to 152,082.20, 228,252.90 and 67,971.80

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Solution

The fourth proportional to 152,082.20, 228,252.90 and 67,971.80 is: 102,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,082.20 : 228,252.90 = 67,971.80 : x
  2. Step 2: Convert to fraction form
    152,082.20/228,252.90 = 67,971.80/x
  3. Step 3: Cross multiply
    152,082.20x = 228,252.90 × 67,971.80
  4. Step 4: Simplify right side
    152,082.20x = 15,514,760,468.22
  5. Step 5: Solve for x
    x = 15,514,760,468.22/152,082.20
  6. Step 6: Final answer
    x = 102,015.62

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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.