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Finding the Fourth Proportional to 165,251.72, 247,893.98 and 52,903.71

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Solution

The fourth proportional to 165,251.72, 247,893.98 and 52,903.71 is: 79,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,251.72 : 247,893.98 = 52,903.71 : x
  2. Step 2: Convert to fraction form
    165,251.72/247,893.98 = 52,903.71/x
  3. Step 3: Cross multiply
    165,251.72x = 247,893.98 × 52,903.71
  4. Step 4: Simplify right side
    165,251.72x = 13,114,511,228.67
  5. Step 5: Solve for x
    x = 13,114,511,228.67/165,251.72
  6. Step 6: Final answer
    x = 79,360.82

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1.5x scale

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.