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Finding the Fourth Proportional to 97,703.55, 146,578.41 and 77,788.35

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Solution

The fourth proportional to 97,703.55, 146,578.41 and 77,788.35 is: 116,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703.55 : 146,578.41 = 77,788.35 : x
  2. Step 2: Convert to fraction form
    97,703.55/146,578.41 = 77,788.35/x
  3. Step 3: Cross multiply
    97,703.55x = 146,578.41 × 77,788.35
  4. Step 4: Simplify right side
    97,703.55x = 11,402,092,659.52
  5. Step 5: Solve for x
    x = 11,402,092,659.52/97,703.55
  6. Step 6: Final answer
    x = 116,700.90

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