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Finding the Fourth Proportional to 163,562.70, 245,344.05 and 100,577.10

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Solution

The fourth proportional to 163,562.70, 245,344.05 and 100,577.10 is: 150,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,562.70 : 245,344.05 = 100,577.10 : x
  2. Step 2: Convert to fraction form
    163,562.70/245,344.05 = 100,577.10/x
  3. Step 3: Cross multiply
    163,562.70x = 245,344.05 × 100,577.10
  4. Step 4: Simplify right side
    163,562.70x = 24,675,993,051.26
  5. Step 5: Solve for x
    x = 24,675,993,051.26/163,562.70
  6. Step 6: Final answer
    x = 150,865.65

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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.