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Finding the Fourth Proportional to 104,158.38, 156,237.78 and 37,645.48

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Solution

The fourth proportional to 104,158.38, 156,237.78 and 37,645.48 is: 56,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,158.38 : 156,237.78 = 37,645.48 : x
  2. Step 2: Convert to fraction form
    104,158.38/156,237.78 = 37,645.48/x
  3. Step 3: Cross multiply
    104,158.38x = 156,237.78 × 37,645.48
  4. Step 4: Simplify right side
    104,158.38x = 5,881,646,222.23
  5. Step 5: Solve for x
    x = 5,881,646,222.23/104,158.38
  6. Step 6: Final answer
    x = 56,468.30

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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.