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Finding the Fourth Proportional to 113,892.25, 157,181.03 and 63,600.97

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Solution

The fourth proportional to 113,892.25, 157,181.03 and 63,600.97 is: 87,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,892.25 : 157,181.03 = 63,600.97 : x
  2. Step 2: Convert to fraction form
    113,892.25/157,181.03 = 63,600.97/x
  3. Step 3: Cross multiply
    113,892.25x = 157,181.03 × 63,600.97
  4. Step 4: Simplify right side
    113,892.25x = 9,996,865,973.60
  5. Step 5: Solve for x
    x = 9,996,865,973.60/113,892.25
  6. Step 6: Final answer
    x = 87,774.77

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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.