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Finding the Fourth Proportional to 173,398.60, 260,097.90 and 90,281.80

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Solution

The fourth proportional to 173,398.60, 260,097.90 and 90,281.80 is: 135,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398.60 : 260,097.90 = 90,281.80 : x
  2. Step 2: Convert to fraction form
    173,398.60/260,097.90 = 90,281.80/x
  3. Step 3: Cross multiply
    173,398.60x = 260,097.90 × 90,281.80
  4. Step 4: Simplify right side
    173,398.60x = 23,482,106,588.22
  5. Step 5: Solve for x
    x = 23,482,106,588.22/173,398.60
  6. Step 6: Final answer
    x = 135,422.70

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