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Finding the Fourth Proportional to 172,855.80, 259,283.70 and 163,014.30

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Solution

The fourth proportional to 172,855.80, 259,283.70 and 163,014.30 is: 244,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,855.80 : 259,283.70 = 163,014.30 : x
  2. Step 2: Convert to fraction form
    172,855.80/259,283.70 = 163,014.30/x
  3. Step 3: Cross multiply
    172,855.80x = 259,283.70 × 163,014.30
  4. Step 4: Simplify right side
    172,855.80x = 42,266,950,856.91
  5. Step 5: Solve for x
    x = 42,266,950,856.91/172,855.80
  6. Step 6: Final answer
    x = 244,521.45

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1.5x scale

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.