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Finding the Fourth Proportional to 94,849.47, 130,740.21 and 64,212.90

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Solution

The fourth proportional to 94,849.47, 130,740.21 and 64,212.90 is: 88,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,849.47 : 130,740.21 = 64,212.90 : x
  2. Step 2: Convert to fraction form
    94,849.47/130,740.21 = 64,212.90/x
  3. Step 3: Cross multiply
    94,849.47x = 130,740.21 × 64,212.90
  4. Step 4: Simplify right side
    94,849.47x = 8,395,208,030.71
  5. Step 5: Solve for x
    x = 8,395,208,030.71/94,849.47
  6. Step 6: Final answer
    x = 88,510.86

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