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Finding the Fourth Proportional to 162,100.62, 223,702.38 and 89,503.38

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Solution

The fourth proportional to 162,100.62, 223,702.38 and 89,503.38 is: 123,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,100.62 : 223,702.38 = 89,503.38 : x
  2. Step 2: Convert to fraction form
    162,100.62/223,702.38 = 89,503.38/x
  3. Step 3: Cross multiply
    162,100.62x = 223,702.38 × 89,503.38
  4. Step 4: Simplify right side
    162,100.62x = 20,022,119,124.04
  5. Step 5: Solve for x
    x = 20,022,119,124.04/162,100.62
  6. Step 6: Final answer
    x = 123,516.61

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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.