Home / 95,545.71-143,321.80-25,425.09

Finding the Fourth Proportional to 95,545.71, 143,321.80 and 25,425.09

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Solution

The fourth proportional to 95,545.71, 143,321.80 and 25,425.09 is: 38,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,545.71 : 143,321.80 = 25,425.09 : x
  2. Step 2: Convert to fraction form
    95,545.71/143,321.80 = 25,425.09/x
  3. Step 3: Cross multiply
    95,545.71x = 143,321.80 × 25,425.09
  4. Step 4: Simplify right side
    95,545.71x = 3,643,968,820.23
  5. Step 5: Solve for x
    x = 3,643,968,820.23/95,545.71
  6. Step 6: Final answer
    x = 38,138.49

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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.