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Finding the Fourth Proportional to 162,327.84, 223,997.85 and 90,697.92

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Solution

The fourth proportional to 162,327.84, 223,997.85 and 90,697.92 is: 125,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,327.84 : 223,997.85 = 90,697.92 : x
  2. Step 2: Convert to fraction form
    162,327.84/223,997.85 = 90,697.92/x
  3. Step 3: Cross multiply
    162,327.84x = 223,997.85 × 90,697.92
  4. Step 4: Simplify right side
    162,327.84x = 20,316,139,079.47
  5. Step 5: Solve for x
    x = 20,316,139,079.47/162,327.84
  6. Step 6: Final answer
    x = 125,154.99

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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.