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Finding the Fourth Proportional to 171,063.16, 256,521.32 and 58,754.68

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Solution

The fourth proportional to 171,063.16, 256,521.32 and 58,754.68 is: 88,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,063.16 : 256,521.32 = 58,754.68 : x
  2. Step 2: Convert to fraction form
    171,063.16/256,521.32 = 58,754.68/x
  3. Step 3: Cross multiply
    171,063.16x = 256,521.32 × 58,754.68
  4. Step 4: Simplify right side
    171,063.16x = 15,071,828,069.78
  5. Step 5: Solve for x
    x = 15,071,828,069.78/171,063.16
  6. Step 6: Final answer
    x = 88,106.80

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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.