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Finding the Fourth Proportional to 145,023.86, 200,087.40 and 83,762.24

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Solution

The fourth proportional to 145,023.86, 200,087.40 and 83,762.24 is: 115,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,023.86 : 200,087.40 = 83,762.24 : x
  2. Step 2: Convert to fraction form
    145,023.86/200,087.40 = 83,762.24/x
  3. Step 3: Cross multiply
    145,023.86x = 200,087.40 × 83,762.24
  4. Step 4: Simplify right side
    145,023.86x = 16,759,767,819.34
  5. Step 5: Solve for x
    x = 16,759,767,819.34/145,023.86
  6. Step 6: Final answer
    x = 115,565.59

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