Home / 87,109.75-130,652.33-27,937.74

Finding the Fourth Proportional to 87,109.75, 130,652.33 and 27,937.74

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Solution

The fourth proportional to 87,109.75, 130,652.33 and 27,937.74 is: 41,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,109.75 : 130,652.33 = 27,937.74 : x
  2. Step 2: Convert to fraction form
    87,109.75/130,652.33 = 27,937.74/x
  3. Step 3: Cross multiply
    87,109.75x = 130,652.33 × 27,937.74
  4. Step 4: Simplify right side
    87,109.75x = 3,650,130,825.93
  5. Step 5: Solve for x
    x = 3,650,130,825.93/87,109.75
  6. Step 6: Final answer
    x = 41,902.67

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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.