Home / 70,733.36-106,100.06-18,142.83

Finding the Fourth Proportional to 70,733.36, 106,100.06 and 18,142.83

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Solution

The fourth proportional to 70,733.36, 106,100.06 and 18,142.83 is: 27,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.36 : 106,100.06 = 18,142.83 : x
  2. Step 2: Convert to fraction form
    70,733.36/106,100.06 = 18,142.83/x
  3. Step 3: Cross multiply
    70,733.36x = 106,100.06 × 18,142.83
  4. Step 4: Simplify right side
    70,733.36x = 1,924,955,260.86
  5. Step 5: Solve for x
    x = 1,924,955,260.86/70,733.36
  6. Step 6: Final answer
    x = 27,214.25

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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.