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Finding the Fourth Proportional to 113,271.40, 169,712.70 and 73,808.20

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Solution

The fourth proportional to 113,271.40, 169,712.70 and 73,808.20 is: 110,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.40 : 169,712.70 = 73,808.20 : x
  2. Step 2: Convert to fraction form
    113,271.40/169,712.70 = 73,808.20/x
  3. Step 3: Cross multiply
    113,271.40x = 169,712.70 × 73,808.20
  4. Step 4: Simplify right side
    113,271.40x = 12,526,188,904.14
  5. Step 5: Solve for x
    x = 12,526,188,904.14/113,271.40
  6. Step 6: Final answer
    x = 110,585.63

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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.