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Finding the Fourth Proportional to 111,656.40, 167,225.40 and 109,064.40

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Solution

The fourth proportional to 111,656.40, 167,225.40 and 109,064.40 is: 163,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.40 : 167,225.40 = 109,064.40 : x
  2. Step 2: Convert to fraction form
    111,656.40/167,225.40 = 109,064.40/x
  3. Step 3: Cross multiply
    111,656.40x = 167,225.40 × 109,064.40
  4. Step 4: Simplify right side
    111,656.40x = 18,238,337,915.76
  5. Step 5: Solve for x
    x = 18,238,337,915.76/111,656.40
  6. Step 6: Final answer
    x = 163,343.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.