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Finding the Fourth Proportional to 124,102.98, 186,099.30 and 35,336.34

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Solution

The fourth proportional to 124,102.98, 186,099.30 and 35,336.34 is: 52,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.98 : 186,099.30 = 35,336.34 : x
  2. Step 2: Convert to fraction form
    124,102.98/186,099.30 = 35,336.34/x
  3. Step 3: Cross multiply
    124,102.98x = 186,099.30 × 35,336.34
  4. Step 4: Simplify right side
    124,102.98x = 6,576,068,138.56
  5. Step 5: Solve for x
    x = 6,576,068,138.56/124,102.98
  6. Step 6: Final answer
    x = 52,988.80

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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.