Home / 164,423.89-226,905.57-88,972.39

Finding the Fourth Proportional to 164,423.89, 226,905.57 and 88,972.39

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Solution

The fourth proportional to 164,423.89, 226,905.57 and 88,972.39 is: 122,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,423.89 : 226,905.57 = 88,972.39 : x
  2. Step 2: Convert to fraction form
    164,423.89/226,905.57 = 88,972.39/x
  3. Step 3: Cross multiply
    164,423.89x = 226,905.57 × 88,972.39
  4. Step 4: Simplify right side
    164,423.89x = 20,188,330,867.21
  5. Step 5: Solve for x
    x = 20,188,330,867.21/164,423.89
  6. Step 6: Final answer
    x = 122,782.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.