Home / 171,863.24-257,711.52-100,809.10

Finding the Fourth Proportional to 171,863.24, 257,711.52 and 100,809.10

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Solution

The fourth proportional to 171,863.24, 257,711.52 and 100,809.10 is: 151,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,863.24 : 257,711.52 = 100,809.10 : x
  2. Step 2: Convert to fraction form
    171,863.24/257,711.52 = 100,809.10/x
  3. Step 3: Cross multiply
    171,863.24x = 257,711.52 × 100,809.10
  4. Step 4: Simplify right side
    171,863.24x = 25,979,666,390.83
  5. Step 5: Solve for x
    x = 25,979,666,390.83/171,863.24
  6. Step 6: Final answer
    x = 151,164.77

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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.