Home / 171,225.24-256,669.36-100,057.56

Finding the Fourth Proportional to 171,225.24, 256,669.36 and 100,057.56

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Solution

The fourth proportional to 171,225.24, 256,669.36 and 100,057.56 is: 149,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,225.24 : 256,669.36 = 100,057.56 : x
  2. Step 2: Convert to fraction form
    171,225.24/256,669.36 = 100,057.56/x
  3. Step 3: Cross multiply
    171,225.24x = 256,669.36 × 100,057.56
  4. Step 4: Simplify right side
    171,225.24x = 25,681,709,888.36
  5. Step 5: Solve for x
    x = 25,681,709,888.36/171,225.24
  6. Step 6: Final answer
    x = 149,987.87

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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.