Home / 128,102.44-192,270.84-64,966.12

Finding the Fourth Proportional to 128,102.44, 192,270.84 and 64,966.12

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Solution

The fourth proportional to 128,102.44, 192,270.84 and 64,966.12 is: 97,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,102.44 : 192,270.84 = 64,966.12 : x
  2. Step 2: Convert to fraction form
    128,102.44/192,270.84 = 64,966.12/x
  3. Step 3: Cross multiply
    128,102.44x = 192,270.84 × 64,966.12
  4. Step 4: Simplify right side
    128,102.44x = 12,491,090,463.94
  5. Step 5: Solve for x
    x = 12,491,090,463.94/128,102.44
  6. Step 6: Final answer
    x = 97,508.61

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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.