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Finding the Fourth Proportional to 107,113.68, 147,800.16 and 61,793.40

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Solution

The fourth proportional to 107,113.68, 147,800.16 and 61,793.40 is: 85,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,113.68 : 147,800.16 = 61,793.40 : x
  2. Step 2: Convert to fraction form
    107,113.68/147,800.16 = 61,793.40/x
  3. Step 3: Cross multiply
    107,113.68x = 147,800.16 × 61,793.40
  4. Step 4: Simplify right side
    107,113.68x = 9,133,074,406.94
  5. Step 5: Solve for x
    x = 9,133,074,406.94/107,113.68
  6. Step 6: Final answer
    x = 85,265.25

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