Home / 147,711.60-221,567.40-76,852.80

Finding the Fourth Proportional to 147,711.60, 221,567.40 and 76,852.80

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Solution

The fourth proportional to 147,711.60, 221,567.40 and 76,852.80 is: 115,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,711.60 : 221,567.40 = 76,852.80 : x
  2. Step 2: Convert to fraction form
    147,711.60/221,567.40 = 76,852.80/x
  3. Step 3: Cross multiply
    147,711.60x = 221,567.40 × 76,852.80
  4. Step 4: Simplify right side
    147,711.60x = 17,028,075,078.72
  5. Step 5: Solve for x
    x = 17,028,075,078.72/147,711.60
  6. Step 6: Final answer
    x = 115,279.20

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