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Finding the Fourth Proportional to 111,353.40, 167,030.10 and 73,299.60

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Solution

The fourth proportional to 111,353.40, 167,030.10 and 73,299.60 is: 109,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,353.40 : 167,030.10 = 73,299.60 : x
  2. Step 2: Convert to fraction form
    111,353.40/167,030.10 = 73,299.60/x
  3. Step 3: Cross multiply
    111,353.40x = 167,030.10 × 73,299.60
  4. Step 4: Simplify right side
    111,353.40x = 12,243,239,517.96
  5. Step 5: Solve for x
    x = 12,243,239,517.96/111,353.40
  6. Step 6: Final answer
    x = 109,949.40

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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.