Home / 165,265.72-247,914.96-52,917.70

Finding the Fourth Proportional to 165,265.72, 247,914.96 and 52,917.70

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Solution

The fourth proportional to 165,265.72, 247,914.96 and 52,917.70 is: 79,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,265.72 : 247,914.96 = 52,917.70 : x
  2. Step 2: Convert to fraction form
    165,265.72/247,914.96 = 52,917.70/x
  3. Step 3: Cross multiply
    165,265.72x = 247,914.96 × 52,917.70
  4. Step 4: Simplify right side
    165,265.72x = 13,119,089,478.79
  5. Step 5: Solve for x
    x = 13,119,089,478.79/165,265.72
  6. Step 6: Final answer
    x = 79,381.79

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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.