Home / 171,452.28-257,053.80-71,641.04

Finding the Fourth Proportional to 171,452.28, 257,053.80 and 71,641.04

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Solution

The fourth proportional to 171,452.28, 257,053.80 and 71,641.04 is: 107,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,452.28 : 257,053.80 = 71,641.04 : x
  2. Step 2: Convert to fraction form
    171,452.28/257,053.80 = 71,641.04/x
  3. Step 3: Cross multiply
    171,452.28x = 257,053.80 × 71,641.04
  4. Step 4: Simplify right side
    171,452.28x = 18,415,601,567.95
  5. Step 5: Solve for x
    x = 18,415,601,567.95/171,452.28
  6. Step 6: Final answer
    x = 107,409.49

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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.