Home / 190,053.37-285,145.26-71,758.54

Finding the Fourth Proportional to 190,053.37, 285,145.26 and 71,758.54

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Solution

The fourth proportional to 190,053.37, 285,145.26 and 71,758.54 is: 107,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053.37 : 285,145.26 = 71,758.54 : x
  2. Step 2: Convert to fraction form
    190,053.37/285,145.26 = 71,758.54/x
  3. Step 3: Cross multiply
    190,053.37x = 285,145.26 × 71,758.54
  4. Step 4: Simplify right side
    190,053.37x = 20,461,607,545.52
  5. Step 5: Solve for x
    x = 20,461,607,545.52/190,053.37
  6. Step 6: Final answer
    x = 107,662.43

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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.