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Finding the Fourth Proportional to 125,344.34, 188,003.11 and 35,384.84

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Solution

The fourth proportional to 125,344.34, 188,003.11 and 35,384.84 is: 53,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,344.34 : 188,003.11 = 35,384.84 : x
  2. Step 2: Convert to fraction form
    125,344.34/188,003.11 = 35,384.84/x
  3. Step 3: Cross multiply
    125,344.34x = 188,003.11 × 35,384.84
  4. Step 4: Simplify right side
    125,344.34x = 6,652,459,966.85
  5. Step 5: Solve for x
    x = 6,652,459,966.85/125,344.34
  6. Step 6: Final answer
    x = 53,073.48

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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.