Home / 87,368.60-131,019.63-31,198.25

Finding the Fourth Proportional to 87,368.60, 131,019.63 and 31,198.25

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Solution

The fourth proportional to 87,368.60, 131,019.63 and 31,198.25 is: 46,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368.60 : 131,019.63 = 31,198.25 : x
  2. Step 2: Convert to fraction form
    87,368.60/131,019.63 = 31,198.25/x
  3. Step 3: Cross multiply
    87,368.60x = 131,019.63 × 31,198.25
  4. Step 4: Simplify right side
    87,368.60x = 4,087,582,516.55
  5. Step 5: Solve for x
    x = 4,087,582,516.55/87,368.60
  6. Step 6: Final answer
    x = 46,785.49

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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.