Home / 190,239.42-285,114.84-71,769.60

Finding the Fourth Proportional to 190,239.42, 285,114.84 and 71,769.60

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Solution

The fourth proportional to 190,239.42, 285,114.84 and 71,769.60 is: 107,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,239.42 : 285,114.84 = 71,769.60 : x
  2. Step 2: Convert to fraction form
    190,239.42/285,114.84 = 71,769.60/x
  3. Step 3: Cross multiply
    190,239.42x = 285,114.84 × 71,769.60
  4. Step 4: Simplify right side
    190,239.42x = 20,462,578,020.86
  5. Step 5: Solve for x
    x = 20,462,578,020.86/190,239.42
  6. Step 6: Final answer
    x = 107,562.24

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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.