Home / 87,393.01-131,089.52-27,430.74

Finding the Fourth Proportional to 87,393.01, 131,089.52 and 27,430.74

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Solution

The fourth proportional to 87,393.01, 131,089.52 and 27,430.74 is: 41,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,393.01 : 131,089.52 = 27,430.74 : x
  2. Step 2: Convert to fraction form
    87,393.01/131,089.52 = 27,430.74/x
  3. Step 3: Cross multiply
    87,393.01x = 131,089.52 × 27,430.74
  4. Step 4: Simplify right side
    87,393.01x = 3,595,882,539.84
  5. Step 5: Solve for x
    x = 3,595,882,539.84/87,393.01
  6. Step 6: Final answer
    x = 41,146.11

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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.