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Finding the Fourth Proportional to 121,784.40, 182,417.40 and 101,048.40

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Solution

The fourth proportional to 121,784.40, 182,417.40 and 101,048.40 is: 151,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,784.40 : 182,417.40 = 101,048.40 : x
  2. Step 2: Convert to fraction form
    121,784.40/182,417.40 = 101,048.40/x
  3. Step 3: Cross multiply
    121,784.40x = 182,417.40 × 101,048.40
  4. Step 4: Simplify right side
    121,784.40x = 18,432,986,402.16
  5. Step 5: Solve for x
    x = 18,432,986,402.16/121,784.40
  6. Step 6: Final answer
    x = 151,357.53

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