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Finding the Fourth Proportional to 163,446.62, 245,151.57 and 45,134.78

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Solution

The fourth proportional to 163,446.62, 245,151.57 and 45,134.78 is: 67,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,446.62 : 245,151.57 = 45,134.78 : x
  2. Step 2: Convert to fraction form
    163,446.62/245,151.57 = 45,134.78/x
  3. Step 3: Cross multiply
    163,446.62x = 245,151.57 × 45,134.78
  4. Step 4: Simplify right side
    163,446.62x = 11,064,862,178.60
  5. Step 5: Solve for x
    x = 11,064,862,178.60/163,446.62
  6. Step 6: Final answer
    x = 67,697.10

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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.