Home / 87,748.19-131,638.69-35,161.77

Finding the Fourth Proportional to 87,748.19, 131,638.69 and 35,161.77

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Solution

The fourth proportional to 87,748.19, 131,638.69 and 35,161.77 is: 52,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748.19 : 131,638.69 = 35,161.77 : x
  2. Step 2: Convert to fraction form
    87,748.19/131,638.69 = 35,161.77/x
  3. Step 3: Cross multiply
    87,748.19x = 131,638.69 × 35,161.77
  4. Step 4: Simplify right side
    87,748.19x = 4,628,649,582.07
  5. Step 5: Solve for x
    x = 4,628,649,582.07/87,748.19
  6. Step 6: Final answer
    x = 52,749.23

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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.