Home / 121,917.96-182,876.94-42,981.84

Finding the Fourth Proportional to 121,917.96, 182,876.94 and 42,981.84

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Solution

The fourth proportional to 121,917.96, 182,876.94 and 42,981.84 is: 64,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,917.96 : 182,876.94 = 42,981.84 : x
  2. Step 2: Convert to fraction form
    121,917.96/182,876.94 = 42,981.84/x
  3. Step 3: Cross multiply
    121,917.96x = 182,876.94 × 42,981.84
  4. Step 4: Simplify right side
    121,917.96x = 7,860,387,374.77
  5. Step 5: Solve for x
    x = 7,860,387,374.77/121,917.96
  6. Step 6: Final answer
    x = 64,472.76

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