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Finding the Fourth Proportional to 162,309.42, 243,509.03 and 67,584.12

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Solution

The fourth proportional to 162,309.42, 243,509.03 and 67,584.12 is: 101,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,309.42 : 243,509.03 = 67,584.12 : x
  2. Step 2: Convert to fraction form
    162,309.42/243,509.03 = 67,584.12/x
  3. Step 3: Cross multiply
    162,309.42x = 243,509.03 × 67,584.12
  4. Step 4: Simplify right side
    162,309.42x = 16,457,344,256.86
  5. Step 5: Solve for x
    x = 16,457,344,256.86/162,309.42
  6. Step 6: Final answer
    x = 101,394.88

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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.