Home / 171,904.80-257,966.55-100,827.30

Finding the Fourth Proportional to 171,904.80, 257,966.55 and 100,827.30

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Solution

The fourth proportional to 171,904.80, 257,966.55 and 100,827.30 is: 151,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,904.80 : 257,966.55 = 100,827.30 : x
  2. Step 2: Convert to fraction form
    171,904.80/257,966.55 = 100,827.30/x
  3. Step 3: Cross multiply
    171,904.80x = 257,966.55 × 100,827.30
  4. Step 4: Simplify right side
    171,904.80x = 26,010,070,726.82
  5. Step 5: Solve for x
    x = 26,010,070,726.82/171,904.80
  6. Step 6: Final answer
    x = 151,305.09

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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.