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Finding the Fourth Proportional to 97,712.40, 146,539.80 and 38,528.40

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Solution

The fourth proportional to 97,712.40, 146,539.80 and 38,528.40 is: 57,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.40 : 146,539.80 = 38,528.40 : x
  2. Step 2: Convert to fraction form
    97,712.40/146,539.80 = 38,528.40/x
  3. Step 3: Cross multiply
    97,712.40x = 146,539.80 × 38,528.40
  4. Step 4: Simplify right side
    97,712.40x = 5,645,944,030.32
  5. Step 5: Solve for x
    x = 5,645,944,030.32/97,712.40
  6. Step 6: Final answer
    x = 57,781.24

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