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Finding the Fourth Proportional to 182,783.89, 252,265.22 and 102,215.89

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Solution

The fourth proportional to 182,783.89, 252,265.22 and 102,215.89 is: 141,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,783.89 : 252,265.22 = 102,215.89 : x
  2. Step 2: Convert to fraction form
    182,783.89/252,265.22 = 102,215.89/x
  3. Step 3: Cross multiply
    182,783.89x = 252,265.22 × 102,215.89
  4. Step 4: Simplify right side
    182,783.89x = 25,785,513,978.35
  5. Step 5: Solve for x
    x = 25,785,513,978.35/182,783.89
  6. Step 6: Final answer
    x = 141,071.04

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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.