Home / 87,406.60-131,142.30-34,853.80

Finding the Fourth Proportional to 87,406.60, 131,142.30 and 34,853.80

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Solution

The fourth proportional to 87,406.60, 131,142.30 and 34,853.80 is: 52,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406.60 : 131,142.30 = 34,853.80 : x
  2. Step 2: Convert to fraction form
    87,406.60/131,142.30 = 34,853.80/x
  3. Step 3: Cross multiply
    87,406.60x = 131,142.30 × 34,853.80
  4. Step 4: Simplify right side
    87,406.60x = 4,570,807,495.74
  5. Step 5: Solve for x
    x = 4,570,807,495.74/87,406.60
  6. Step 6: Final answer
    x = 52,293.62

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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.