Home / 190,053.24-285,145.08-71,758.42

Finding the Fourth Proportional to 190,053.24, 285,145.08 and 71,758.42

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Solution

The fourth proportional to 190,053.24, 285,145.08 and 71,758.42 is: 107,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053.24 : 285,145.08 = 71,758.42 : x
  2. Step 2: Convert to fraction form
    190,053.24/285,145.08 = 71,758.42/x
  3. Step 3: Cross multiply
    190,053.24x = 285,145.08 × 71,758.42
  4. Step 4: Simplify right side
    190,053.24x = 20,461,560,411.57
  5. Step 5: Solve for x
    x = 20,461,560,411.57/190,053.24
  6. Step 6: Final answer
    x = 107,662.26

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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.