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Finding the Fourth Proportional to 162,310.01, 223,983.63 and 90,690.62

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Solution

The fourth proportional to 162,310.01, 223,983.63 and 90,690.62 is: 125,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,310.01 : 223,983.63 = 90,690.62 : x
  2. Step 2: Convert to fraction form
    162,310.01/223,983.63 = 90,690.62/x
  3. Step 3: Cross multiply
    162,310.01x = 223,983.63 × 90,690.62
  4. Step 4: Simplify right side
    162,310.01x = 20,313,214,274.55
  5. Step 5: Solve for x
    x = 20,313,214,274.55/162,310.01
  6. Step 6: Final answer
    x = 125,150.72

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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.