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Finding the Fourth Proportional to 125,833.65, 173,761.18 and 85,643.42

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Solution

The fourth proportional to 125,833.65, 173,761.18 and 85,643.42 is: 118,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,833.65 : 173,761.18 = 85,643.42 : x
  2. Step 2: Convert to fraction form
    125,833.65/173,761.18 = 85,643.42/x
  3. Step 3: Cross multiply
    125,833.65x = 173,761.18 × 85,643.42
  4. Step 4: Simplify right side
    125,833.65x = 14,881,502,094.67
  5. Step 5: Solve for x
    x = 14,881,502,094.67/125,833.65
  6. Step 6: Final answer
    x = 118,263.30

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