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Finding the Fourth Proportional to 97,053.60, 145,288.80 and 57,590.40

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Solution

The fourth proportional to 97,053.60, 145,288.80 and 57,590.40 is: 86,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,053.60 : 145,288.80 = 57,590.40 : x
  2. Step 2: Convert to fraction form
    97,053.60/145,288.80 = 57,590.40/x
  3. Step 3: Cross multiply
    97,053.60x = 145,288.80 × 57,590.40
  4. Step 4: Simplify right side
    97,053.60x = 8,367,240,107.52
  5. Step 5: Solve for x
    x = 8,367,240,107.52/97,053.60
  6. Step 6: Final answer
    x = 86,212.57

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