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Finding the Fourth Proportional to 151,050, 208,421.77 and 85,639.06

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Solution

The fourth proportional to 151,050, 208,421.77 and 85,639.06 is: 118,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,050 : 208,421.77 = 85,639.06 : x
  2. Step 2: Convert to fraction form
    151,050/208,421.77 = 85,639.06/x
  3. Step 3: Cross multiply
    151,050x = 208,421.77 × 85,639.06
  4. Step 4: Simplify right side
    151,050x = 17,849,044,466.34
  5. Step 5: Solve for x
    x = 17,849,044,466.34/151,050
  6. Step 6: Final answer
    x = 118,166.46

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