Home / 143,575.50-215,365.08-50,081.25

Finding the Fourth Proportional to 143,575.50, 215,365.08 and 50,081.25

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Solution

The fourth proportional to 143,575.50, 215,365.08 and 50,081.25 is: 75,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.50 : 215,365.08 = 50,081.25 : x
  2. Step 2: Convert to fraction form
    143,575.50/215,365.08 = 50,081.25/x
  3. Step 3: Cross multiply
    143,575.50x = 215,365.08 × 50,081.25
  4. Step 4: Simplify right side
    143,575.50x = 10,785,752,412.75
  5. Step 5: Solve for x
    x = 10,785,752,412.75/143,575.50
  6. Step 6: Final answer
    x = 75,122.51

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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.