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Finding the Fourth Proportional to 164,750.98, 227,353.88 and 93,128.48

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Solution

The fourth proportional to 164,750.98, 227,353.88 and 93,128.48 is: 128,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,750.98 : 227,353.88 = 93,128.48 : x
  2. Step 2: Convert to fraction form
    164,750.98/227,353.88 = 93,128.48/x
  3. Step 3: Cross multiply
    164,750.98x = 227,353.88 × 93,128.48
  4. Step 4: Simplify right side
    164,750.98x = 21,173,121,266.50
  5. Step 5: Solve for x
    x = 21,173,121,266.50/164,750.98
  6. Step 6: Final answer
    x = 128,515.90

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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.