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Finding the Fourth Proportional to 164,513.70, 246,770.55 and 64,677.15

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Solution

The fourth proportional to 164,513.70, 246,770.55 and 64,677.15 is: 97,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513.70 : 246,770.55 = 64,677.15 : x
  2. Step 2: Convert to fraction form
    164,513.70/246,770.55 = 64,677.15/x
  3. Step 3: Cross multiply
    164,513.70x = 246,770.55 × 64,677.15
  4. Step 4: Simplify right side
    164,513.70x = 15,960,415,877.93
  5. Step 5: Solve for x
    x = 15,960,415,877.93/164,513.70
  6. Step 6: Final answer
    x = 97,015.73

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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.