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Finding the Fourth Proportional to 143,330.80, 214,931.40 and 64,404.40

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Solution

The fourth proportional to 143,330.80, 214,931.40 and 64,404.40 is: 96,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,330.80 : 214,931.40 = 64,404.40 : x
  2. Step 2: Convert to fraction form
    143,330.80/214,931.40 = 64,404.40/x
  3. Step 3: Cross multiply
    143,330.80x = 214,931.40 × 64,404.40
  4. Step 4: Simplify right side
    143,330.80x = 13,842,527,858.16
  5. Step 5: Solve for x
    x = 13,842,527,858.16/143,330.80
  6. Step 6: Final answer
    x = 96,577.48

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