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Finding the Fourth Proportional to 117,539.60, 176,309.40 and 70,768.40

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Solution

The fourth proportional to 117,539.60, 176,309.40 and 70,768.40 is: 106,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,539.60 : 176,309.40 = 70,768.40 : x
  2. Step 2: Convert to fraction form
    117,539.60/176,309.40 = 70,768.40/x
  3. Step 3: Cross multiply
    117,539.60x = 176,309.40 × 70,768.40
  4. Step 4: Simplify right side
    117,539.60x = 12,477,134,142.96
  5. Step 5: Solve for x
    x = 12,477,134,142.96/117,539.60
  6. Step 6: Final answer
    x = 106,152.60

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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.