Home / 87,190.88-120,315.11-48,941.67

Finding the Fourth Proportional to 87,190.88, 120,315.11 and 48,941.67

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Solution

The fourth proportional to 87,190.88, 120,315.11 and 48,941.67 is: 67,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,190.88 : 120,315.11 = 48,941.67 : x
  2. Step 2: Convert to fraction form
    87,190.88/120,315.11 = 48,941.67/x
  3. Step 3: Cross multiply
    87,190.88x = 120,315.11 × 48,941.67
  4. Step 4: Simplify right side
    87,190.88x = 5,888,422,164.93
  5. Step 5: Solve for x
    x = 5,888,422,164.93/87,190.88
  6. Step 6: Final answer
    x = 67,534.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.