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Finding the Fourth Proportional to 111,710.40, 167,565.60 and 67,314.30

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Solution

The fourth proportional to 111,710.40, 167,565.60 and 67,314.30 is: 100,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,710.40 : 167,565.60 = 67,314.30 : x
  2. Step 2: Convert to fraction form
    111,710.40/167,565.60 = 67,314.30/x
  3. Step 3: Cross multiply
    111,710.40x = 167,565.60 × 67,314.30
  4. Step 4: Simplify right side
    111,710.40x = 11,279,561,068.08
  5. Step 5: Solve for x
    x = 11,279,561,068.08/111,710.40
  6. Step 6: Final answer
    x = 100,971.45

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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.