Home / 128,213.32-192,319.98-34,732.84

Finding the Fourth Proportional to 128,213.32, 192,319.98 and 34,732.84

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Solution

The fourth proportional to 128,213.32, 192,319.98 and 34,732.84 is: 52,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,213.32 : 192,319.98 = 34,732.84 : x
  2. Step 2: Convert to fraction form
    128,213.32/192,319.98 = 34,732.84/x
  3. Step 3: Cross multiply
    128,213.32x = 192,319.98 × 34,732.84
  4. Step 4: Simplify right side
    128,213.32x = 6,679,819,094.14
  5. Step 5: Solve for x
    x = 6,679,819,094.14/128,213.32
  6. Step 6: Final answer
    x = 52,099.26

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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.