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Finding the Fourth Proportional to 171,423.36, 256,092.59 and 110,959.29

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Solution

The fourth proportional to 171,423.36, 256,092.59 and 110,959.29 is: 165,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,423.36 : 256,092.59 = 110,959.29 : x
  2. Step 2: Convert to fraction form
    171,423.36/256,092.59 = 110,959.29/x
  3. Step 3: Cross multiply
    171,423.36x = 256,092.59 × 110,959.29
  4. Step 4: Simplify right side
    171,423.36x = 28,415,852,238.06
  5. Step 5: Solve for x
    x = 28,415,852,238.06/171,423.36
  6. Step 6: Final answer
    x = 165,764.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.