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Finding the Fourth Proportional to 87,160.80, 130,725.50 and 23,119.40

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Solution

The fourth proportional to 87,160.80, 130,725.50 and 23,119.40 is: 34,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.80 : 130,725.50 = 23,119.40 : x
  2. Step 2: Convert to fraction form
    87,160.80/130,725.50 = 23,119.40/x
  3. Step 3: Cross multiply
    87,160.80x = 130,725.50 × 23,119.40
  4. Step 4: Simplify right side
    87,160.80x = 3,022,295,124.70
  5. Step 5: Solve for x
    x = 3,022,295,124.70/87,160.80
  6. Step 6: Final answer
    x = 34,674.94

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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.