Home / 171,927.59-257,586.29-71,867.21

Finding the Fourth Proportional to 171,927.59, 257,586.29 and 71,867.21

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Solution

The fourth proportional to 171,927.59, 257,586.29 and 71,867.21 is: 107,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927.59 : 257,586.29 = 71,867.21 : x
  2. Step 2: Convert to fraction form
    171,927.59/257,586.29 = 71,867.21/x
  3. Step 3: Cross multiply
    171,927.59x = 257,586.29 × 71,867.21
  4. Step 4: Simplify right side
    171,927.59x = 18,512,007,637.21
  5. Step 5: Solve for x
    x = 18,512,007,637.21/171,927.59
  6. Step 6: Final answer
    x = 107,673.28

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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.