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Finding the Fourth Proportional to 125,308.34, 188,001.47 and 41,069.24

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Solution

The fourth proportional to 125,308.34, 188,001.47 and 41,069.24 is: 61,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,308.34 : 188,001.47 = 41,069.24 : x
  2. Step 2: Convert to fraction form
    125,308.34/188,001.47 = 41,069.24/x
  3. Step 3: Cross multiply
    125,308.34x = 188,001.47 × 41,069.24
  4. Step 4: Simplify right side
    125,308.34x = 7,721,076,654.45
  5. Step 5: Solve for x
    x = 7,721,076,654.45/125,308.34
  6. Step 6: Final answer
    x = 61,616.62

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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.