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Finding the Fourth Proportional to 281,029.50, 387,820.71 and 153,705.09

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Solution

The fourth proportional to 281,029.50, 387,820.71 and 153,705.09 is: 212,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,029.50 : 387,820.71 = 153,705.09 : x
  2. Step 2: Convert to fraction form
    281,029.50/387,820.71 = 153,705.09/x
  3. Step 3: Cross multiply
    281,029.50x = 387,820.71 × 153,705.09
  4. Step 4: Simplify right side
    281,029.50x = 59,610,018,588.74
  5. Step 5: Solve for x
    x = 59,610,018,588.74/281,029.50
  6. Step 6: Final answer
    x = 212,113.03

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