Home / 128,500.41-192,727.40-34,984.29

Finding the Fourth Proportional to 128,500.41, 192,727.40 and 34,984.29

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Solution

The fourth proportional to 128,500.41, 192,727.40 and 34,984.29 is: 52,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,500.41 : 192,727.40 = 34,984.29 : x
  2. Step 2: Convert to fraction form
    128,500.41/192,727.40 = 34,984.29/x
  3. Step 3: Cross multiply
    128,500.41x = 192,727.40 × 34,984.29
  4. Step 4: Simplify right side
    128,500.41x = 6,742,431,077.62
  5. Step 5: Solve for x
    x = 6,742,431,077.62/128,500.41
  6. Step 6: Final answer
    x = 52,470.11

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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.