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Finding the Fourth Proportional to 173,859.20, 260,788.80 and 80,547.20

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Solution

The fourth proportional to 173,859.20, 260,788.80 and 80,547.20 is: 120,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859.20 : 260,788.80 = 80,547.20 : x
  2. Step 2: Convert to fraction form
    173,859.20/260,788.80 = 80,547.20/x
  3. Step 3: Cross multiply
    173,859.20x = 260,788.80 × 80,547.20
  4. Step 4: Simplify right side
    173,859.20x = 21,005,807,631.36
  5. Step 5: Solve for x
    x = 21,005,807,631.36/173,859.20
  6. Step 6: Final answer
    x = 120,820.80

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