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Finding the Fourth Proportional to 164,096.40, 226,143.89 and 118,697.40

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Solution

The fourth proportional to 164,096.40, 226,143.89 and 118,697.40 is: 163,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,096.40 : 226,143.89 = 118,697.40 : x
  2. Step 2: Convert to fraction form
    164,096.40/226,143.89 = 118,697.40/x
  3. Step 3: Cross multiply
    164,096.40x = 226,143.89 × 118,697.40
  4. Step 4: Simplify right side
    164,096.40x = 26,842,691,203.53
  5. Step 5: Solve for x
    x = 26,842,691,203.53/164,096.40
  6. Step 6: Final answer
    x = 163,578.79

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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.