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Finding the Fourth Proportional to 173,931.80, 260,595.30 and 80,245.40

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Solution

The fourth proportional to 173,931.80, 260,595.30 and 80,245.40 is: 120,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,931.80 : 260,595.30 = 80,245.40 : x
  2. Step 2: Convert to fraction form
    173,931.80/260,595.30 = 80,245.40/x
  3. Step 3: Cross multiply
    173,931.80x = 260,595.30 × 80,245.40
  4. Step 4: Simplify right side
    173,931.80x = 20,911,574,086.62
  5. Step 5: Solve for x
    x = 20,911,574,086.62/173,931.80
  6. Step 6: Final answer
    x = 120,228.58

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