Home / 171,210.24-256,646.88-100,042.56

Finding the Fourth Proportional to 171,210.24, 256,646.88 and 100,042.56

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Solution

The fourth proportional to 171,210.24, 256,646.88 and 100,042.56 is: 149,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,210.24 : 256,646.88 = 100,042.56 : x
  2. Step 2: Convert to fraction form
    171,210.24/256,646.88 = 100,042.56/x
  3. Step 3: Cross multiply
    171,210.24x = 256,646.88 × 100,042.56
  4. Step 4: Simplify right side
    171,210.24x = 25,675,610,891.21
  5. Step 5: Solve for x
    x = 25,675,610,891.21/171,210.24
  6. Step 6: Final answer
    x = 149,965.39

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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.