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Finding the Fourth Proportional to 120,580, 180,870 and 46,708

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Solution

The fourth proportional to 120,580, 180,870 and 46,708 is: 70,062

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580 : 180,870 = 46,708 : x
  2. Step 2: Convert to fraction form
    120,580/180,870 = 46,708/x
  3. Step 3: Cross multiply
    120,580x = 180,870 × 46,708
  4. Step 4: Simplify right side
    120,580x = 8,448,075,960
  5. Step 5: Solve for x
    x = 8,448,075,960/120,580
  6. Step 6: Final answer
    x = 70,062

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