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Finding the Fourth Proportional to 171,866.64, 237,160.44 and 100,252.92

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Solution

The fourth proportional to 171,866.64, 237,160.44 and 100,252.92 is: 138,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,866.64 : 237,160.44 = 100,252.92 : x
  2. Step 2: Convert to fraction form
    171,866.64/237,160.44 = 100,252.92/x
  3. Step 3: Cross multiply
    171,866.64x = 237,160.44 × 100,252.92
  4. Step 4: Simplify right side
    171,866.64x = 23,776,026,618.48
  5. Step 5: Solve for x
    x = 23,776,026,618.48/171,866.64
  6. Step 6: Final answer
    x = 138,339.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.